KR200491082Y1 - Light path adjustment mechanism - Google Patents

Abstract

The optical path adjusting mechanism includes an optical element, a first spring, a second spring, a first insertion pin and a second insertion pin. The optical element has first and second regions located diagonally. The first end of the first spring is connected to the first region of the optical element through the first insertion pin, and the first end of the second spring is connected to the second region of the optical element through the second insertion pin, wherein: The first spring and the second spring are jointly connected to the optical element.

Description

Light path adjustment mechanism {LIGHT PATH ADJUSTMENT MECHANISM}

The present invention relates to an optical path adjusting mechanism.

In recent years, various image display technologies have already been widely applied to everyday life. In an image display device, for example, an optical path adjusting mechanism may be installed to convert light rays into an optical movement path in a device, for example, to provide various effects, such as improving image formation resolution and improving screen quality. However, the quantity, weight, and volume of the member of the existing optical path adjusting mechanism are all relatively large, making it difficult to microfilm any more. Accordingly, there is a need for a design for a light path adjusting mechanism that is simple in structure, highly reliable and capable of significantly reducing weight and volume.

Other objects and advantages of the present invention can be understood from the technical features disclosed in the embodiments of the present invention.

An embodiment of the present invention provides an optical path adjusting mechanism including an optical element, a first spring, a second spring, a first insertion pin and a second insertion pin. The optical element has first and second regions located diagonally. The first end of the first spring is connected to the first region of the optical element through the first insertion pin, and the first end of the second spring is connected to the second region of the optical element through the second insertion pin, wherein: The first spring and the second spring are jointly connected to the optical element.

An embodiment of the present invention provides a light path adjusting mechanism including a base, a support frame, an optical element, a first spring, a second spring, a first insertion pin and a second insertion pin. The support frame has first and second regions located diagonally. The optical element is installed in the support frame. The first end of the first spring is connected to the first region of the support frame through the first insertion pin, the second end is connected to the first end of the base, and the first spring is provided between the first end and the second end. It has a flat surface, the first end of the second spring is connected to the second region of the support frame through the second insertion pin, the second end is connected to the second end of the base, and the second spring is the first end A second plane is provided between the second ends, and is joined to the first spring and the second spring support frame.

Through the design of the embodiment of the present invention, by connecting the spring to the optical element by using the insertion pin, the stress generation of the optical element is greatly reduced or eliminated, thereby improving the image forming resolution and improving the image quality (dark areas. Remove, soften the edges of the image), etc. may have an advantageous effect.

1 is an exploded view of a member of an optical path adjusting mechanism in an embodiment of the present invention.
Fig. 2 is a schematic view after assembling the light path adjusting mechanism of Fig. 1;
Figure 3a is a schematic diagram of the operating state of the interlocking member of the embodiment of the present invention.
Figure 3b is a schematic view of the appearance of the insertion pin of the embodiment of the present invention.
4 is an exploded view of a member of an optical path adjusting mechanism according to another embodiment of the present invention.
Fig. 5 is a schematic view after assembling the light path adjusting mechanism of Fig. 4;
6A and 6B are schematic views of a connecting member in an embodiment of the present invention, respectively.
7A is a schematic diagram of an optical path adjusting mechanism in an embodiment of the present invention, and FIG. 7B is an enlarged cross-sectional schematic diagram taken along line A-A 'in FIG. 7A.
8A is a schematic diagram of an optical path adjusting mechanism according to another embodiment of the present invention, and FIG. 8B is an enlarged cross-sectional schematic diagram taken along line B-B 'in FIG. 8A.
Figure 8c is a stress distribution diagram for connecting the optical element and the connecting member through self-tapping.
Fig. 8D is a stress distribution diagram for jointly connecting the insertion pin and the optical element and the connecting member.
9 is a schematic diagram of a coil receiving structure form of an embodiment of the present invention.
10 is a schematic diagram of applying the optical path adjusting mechanism of the embodiment of the present invention to an optical system.

Regarding the above-described contents and other technical contents, features and effects of the present invention, the embodiments of the drawings below will be described in detail and clearly illustrated. The terms such as up, down, left, right, before or after raised in the following examples refer only to directions of additional drawings. Therefore, the direction terminology used is for describing the present invention and does not limit the present invention.

Disclosed is an optical path adjustment mechanism in the contents disclosed in the examples below, which are used in different optical systems (eg, display devices, projection devices, etc.) to adjust or change the optical path to improve image formation resolution and image quality, for example. It enhances (removes dark areas and softens the edges of the image), and the like, but is not limited thereto, and does not completely limit the setting position and configuration method in the optical system of the optical path adjusting mechanism. The light path adjusting mechanism may include, for example, some or all of the interlocking member, the operating assembly, the connecting member, and the frame. In each of the following embodiments, the interlocking member or support frame may include an optical element capable of deflecting light rays, and the interlocking member or support frame may further include a support sheet supporting the optical element, and the interlocking member Or, the operation type of the support frame is, for example, rotation, vibration, movement, etc., but is not limited thereto; Since the operation assembly only needs to generate an effect of driving the interlocking member, its constituent members are not limited, for example, it may be an electromagnetic sensitive assembly including a magnet and a coil assembly (or coil); The connecting member may have a property that changes in the direction in which the original size and shape are restored when the external force is canceled after being deformed. For example, the connecting member may have at least elasticity or solubility, and the connecting member is powered. A transmission member that can transmit, or a control member that dampens vibration or controls movement, but is not limited to, for example, a spring, a leaf spring, a wire spring, a fusible flake member, or a fusible leaf member; The frame only needs to be able to define the accommodation space, which can be, but is not limited to, a base, frame or outer frame having a different type or appearance.

1 is an exploded view of a member of an optical path adjusting mechanism in an embodiment of the present invention. 1, the light path adjusting mechanism 100 includes a support frame 110, a working assembly 120, a spring 130 and a base 140. In this embodiment, the support frame 110 includes an optical element 112 capable of deflecting light rays, for example, including a lens, and the lens only needs to provide an effect of deflecting light rays, The type and type are not limited, and may be, for example, a lens or a mirror. In another embodiment, the support sheet may be further included, an optical element may be installed on the support sheet, or the support sheet and the optical element may be integrally formed. In this embodiment, the actuating assembly 120 may be, for example, an electromagnetic sensitive assembly comprising an assembly 122 and a magnet 124, and in other embodiments, for example, using another coil assembly with a magnetic material or a magnetic material. The magnet may be replaced, and another coil assembly (not shown) provided in the base 140 may generate electromagnetic force to drive the support frame 110 as in the coil assembly installed around the support frame 110. . In this embodiment, the spring 130 may be, for example, two thin metal leaf springs 132 and 134 with resilience. Both ends of the leaf spring 132 may include an insertion pin fixing hole 132a and a screw fixing hole 132b, and both ends of the leaf spring 134 have an insertion pin fixing hole 134a and a screw fixing hole 134b. A fixed hole (112a, 112b) may be installed at both ends of the optical element (112), and fixed holes (140a, 140b) may be installed at both ends of the base (140).
Prior to the description of the assembly embodiment of the present invention, among the two leaf springs 132 and 134 of the present invention, the leaf spring 132 may be referred to as a first spring and the leaf spring 134 may be distinguished as a second spring. Reveals.
In the assembly embodiment, the support frame 110 is provided in the base 140, the magnet 124 can be fixed to the base 140, the coil assembly 122 is installed to surround the optical element 112 outside It may be, for example, may be installed to surround the edge of the optical element 112, one end of the leaf spring 132 via the insertion pin fixing hole (132a), the fixing hole (112a) corresponding to the position For example, it can be fixed to the optical element 112 through a fixing member of the insertion pin 170 (see Fig. 3b), the other end of the leaf spring 132 is fixed to the screw hole 132b, corresponding to the position It is fixed to the base 140 via a screw (not shown) via the hole 140a, so that the leaf spring 132 can be provided between the optical element 112 and the base 140. In addition, one end of the leaf spring 134, the insertion pin fixing hole 134a corresponding to the position, and the fixing hole 112b are optical elements 112 through a fixing member of the insertion pin 170 (see FIG. 3B), for example. ), The other end of the leaf spring 134 is fixed to the base 140 through a screw (not shown) via a screw fixing hole 134b and a fixing hole 140b corresponding to the position, The leaf spring 134 may be provided between the optical element 112 and the base 140. The optical path adjusting mechanism 100 after assembly is as shown in FIG. Accordingly, the leaf springs 132 and 134 provided at both ends of the optical element 112 may be formed to be connected to the optical element 112, and the connection direction of the leaf springs 132 and 134 is substantially supported frame 110 ) May overlap the axis of rotation A, and the optical element 112 may reciprocate with the axis of rotation A as the center, for example, clockwise or with the axis of rotation A as the axis. It can rotate or swing counterclockwise. As shown in Figure 3a, in an embodiment, the electromagnetic force between the coil assembly 122 and the magnet 124 is the optical element 112, the initial position (M) about the axis of rotation (M) is the direction of rotation ( It is possible to rotate at an angle θ along P), and the recovery force of the leaf springs 132 and 134 is such that the optical element 112 rotates along the opposite rotation direction Q to return to the initial position M. can do. In another embodiment, by applying a different electromagnetic force between the coil assembly 122 and the magnet 124, the optical element 112 rotates along the opposite rotational direction Q along with the recovery force of the leaf springs 132 and 134. Since it is possible to return to the initial position M, the optical element 112 can reciprocally swing to different positions to deflect the incident light in different directions, thereby obtaining an effect of adjusting or changing the light path through which the light rays travel. In an embodiment, the rotation angle θ range of the support frame 110 may be 0.1 to 1 degree, and the preferred range is 0.2 to 0.5 degree, for example, 0.32 degree. By adjusting or changing the optical path through the optical path adjusting mechanism of the embodiment of the present invention, different effects may be generated according to actual needs. For example, it is possible to improve projection resolution and improve image quality (in a dark area. Removed, and softens the edges of the image).

Through the design of the above embodiment, the structure (e.g., coil assembly or coil) of at least a portion of the working assembly is directly installed in the optical element capable of deflecting light rays, so that the overall volume, weight or quantity of members of the light path adjusting mechanism Since it is possible to reduce the overall structure and improve reliability, it is advantageous for microfilming or thinning, and is convenient for combining with various microelectronic devices.

4 is an exploded view of a member of an optical path adjusting mechanism according to another embodiment of the present invention. Fig. 5 is a schematic view after assembling the light path adjusting mechanism of Fig. 4; 4 and 5, in this embodiment, the interlocking member 210 of the optical path adjusting mechanism 200 includes, for example, a lens 212 and a lens sheet 214 accommodating the lens 212 The working assembly 220 may be, for example, an electromagnetic sensitive assembly including a coil assembly 222 and a magnet 224, and the coil assembly 222 may be installed to surround the lens seat 214, For example, it may be installed to surround the edge of the lens sheet 214, the magnet 224 may be fixed to the frame 240. The connecting member 230 may be, for example, a leaf spring 232 in which one end of the lens sheet 214 is integrally formed over the other end. The outer shape of the leaf spring 232 is not limited, and in the present embodiment, the leaf spring 232 includes two extensions in which the hook portion 232e and the hook portion 232e extend toward both ends of the interlocking member 210. (232f, 232g), the extension direction of the two extensions (232f, 232g) may substantially overlap the rotation axis (A). Both ends of the leaf spring 232 may be provided with fixing holes (232a, 232b, 232c, 232d), and both ends of the lens seat 214 are fixed holes 214a (corresponding to the fixed holes 232b) and Fixed holes 214b (corresponding to fixed holes 232c) are installed, and both ends of the frame 240 are fixed holes 240a (corresponding to fixed holes 232a) and fixed holes 240b) ( Fixed hole 232d). Through a fixing member such as a screw (not shown), it is fixed via a corresponding fixing hole, and an integrally formed leaf spring 232 may be installed between the lens seat 214 and the frame 240. The extension direction of the leaf spring 232 substantially overlaps the rotational axis A of the interlocking member 210, and the interlocking member 210 (the lens 212 is interlocked with the lens sheet 214) is the rotational axis A ) Can be rotated clockwise or counterclockwise around the center, and the recovery force of the leaf spring 232 can be rotated along the opposite rotational direction to return to the initial position, and other implementations In an example, a different electromagnetic force is applied between the coil assembly 222 and the magnet 224 so that the interlocking member 210 rotates along the opposite rotational direction with the recovery force of the leaf spring 232 to return to the initial position. Therefore, the interlocking member 210 can reciprocally swing to different positions so that the lens 212 deflects incident light in different directions, thereby obtaining an effect of adjusting or changing an optical path through which light rays travel.

The outer shape of the connecting member in the embodiment of the present invention is not limited, and in the embodiment, the connecting member may include at least one curved portion, and the connecting member is connected to one end of the interlocking member and connected to the other end of the frame, Between both ends may include at least one turning point. For example, as shown in FIGS. 6A and 6B, each leaf spring 132 (or leaf spring extension 232f), leaf spring 134 (or leaf spring extension 232g) is at least It may be provided with a non-planar leaf spring composed of two faces forming an angle, and as shown in Fig. 6A, the plate surface A2 of the leaf spring 132 (or leaf spring extension 232f) is substantially It can be perpendicular to the plate surface A1 and the plate surface A3 (a narrow angle of about 90 degrees), the plate surface A1 and the plate surface A3 can be substantially parallel, and as shown in Fig. 6B, the leaf spring 134 ) (Or leaf spring extension 232g), the plate surface B2 may be substantially perpendicular to the plate surface B1 and the plate surface B3, and the plate surface B1 and the plate surface B3 may be substantially vertical. . In an embodiment, as shown in FIG. 6A, the contact portion of the leaf spring 132 and the lens 112 may form a first contact point T1, and the contact of the leaf spring 132 and the frame 140 The portion may form a second contact point T2, and the first contact point T1 and the second contact point T2 may have substantially different horizontal heights. In addition, referring to FIG. 1 again, the leaf spring 132 is coupled to the connection portion 132d with the frame 140, and the substantially vertical leaf spring 134 is connected to the connection portion 134d with the frame 140. Can be combined. That is, referring to FIG. 1, the first plane P1 is disposed between the first end E and the second end F of the leaf spring 132, and the first end E is provided in the leaf spring 134. The second plane P2 is provided to positionally correspond to the first plane P1 between the ') and the second end F', and the first plane P1 of the leaf spring 132 is a leaf spring ( 134) is orthogonal (not parallel) to the second plane P2, but is not limited thereto.
In other embodiments, the connection portion 132d is substantially parallel to, but not limited to, the connection portion 134d. Thus, in the embodiment, through the design of the non-planar connecting member generated by the curved portion of the different direction positions at both ends of the connecting member 130, the switching center during the movement of the connecting member is substantially the center of mass of the lens 112 And overlap, but is not limited thereto.

In an embodiment, the thickness of the connecting member 130 may be less than 0.5 mm, for example, the thickness may be 0.1 mm, 0.15 mm or 0.2 mm, and the material of the connecting member 130 is, for example, an elastic material (eg For example, it can be a spring, a leaf spring, a wire spring), a metal material (eg, stainless steel, iron, copper, aluminum) or a plastic material. In addition, if the neck portion 130a of the connecting member 130 is too weak, it is easily cut, and if it is too thick, the movement is not smoothly performed, so the range of the length / width ratio W of the neck portion 130a of the connecting member 130 is It may be 0.5 to 1, a preferred range is 0.6 to 0.9, and a more preferred range is 0.7 to 0.8, for example, 0.75. 6A and 6B, the length / width ratio W of the neck 130a may be defined as dividing the length X by the width Y (W = X / Y).

7A is a schematic diagram of an optical path adjusting mechanism in an embodiment of the present invention, and FIG. 7B is an enlarged cross-sectional schematic diagram taken along line A-A 'in FIG. 7A. As shown in Fig. 7A, the coil assembly 122 is provided with a plurality of layers of coils 122a that are installed to be stacked substantially in the normal direction N of the lens 112, for example, reducing the coil assembly 122 The area occupied by the possible wiring plane, the coil assembly 122 may enclose a range, for example, the control member or rotating member of the leaf springs 132 and 134 may be fully or partially coil assembly 122 It may be outside the range enclosed by, for example, when the interlocking member 210 is operated, it is possible to reduce the possibility of interference with other assemblies. As shown in FIG. 7B, relative protrusions and concave portions may be provided in the edge thickness direction of the lens 112 so that the “L” shaped step portion 116 appears in the thickness direction of the edge of the lens 112. And, the coil assembly 122 may be installed to surround at least one turn on the side wall 116a of the step portion 116 in the thickness direction.

8A is a schematic diagram of an optical path adjusting mechanism according to another embodiment of the present invention, and FIG. 8B is an enlarged cross-sectional schematic diagram taken along line B-B 'in FIG. 8A. As shown in Fig. 8B, when the interlocking member 210 does not work, the lens 212 and the magnet 224 are located on substantially the same horizontal plane, saving the space occupied by the member, and the lens sheet 214 The receiving structure is formed at the edge of the coil assembly 222 to be accommodated. In this embodiment, a concave portion 216 is provided in the thickness direction of the edge of the lens sheet 214, and the edge of the lens sheet 214 has a cross-sectional structure of a “C” shape or a “U” shape, The coil assembly 222 can be received within the recessed portion 216. That is, the receiving structure for accommodating the coil assembly may be a step portion or a concave groove, may be formed at different positions of the interlocking member, and may have, for example, “C” or “U” shaped different shapes, but is not limited thereto. However, it is only necessary to provide the effect of accommodating the coil assembly. When the coil assembly is accommodated in the receiving structure of the interlocking member, the space occupied by the coil assembly can be omitted to reduce the overall device volume, prevent abrasion contact between the coil assembly and other assemblies, and improve reliability. have. In addition, the coil receiving structure is not completely limited to being configured at the edge of the interlocking member, for example, the coil receiving structure is continuously formed at the edge of the interlocking member as shown in FIG. 7A, or shown in FIG. As described above, a plurality of concave portions 216 separated from each other at the edge of the interlocking member 210 is included.

The connecting member of each embodiment of the present invention is merely exemplary, and the connecting member between the optical element and the frame may be, but is not limited to, various transmission members capable of transmitting power or control members for alleviating vibration or controlling motion. , For example, a spring, a leaf spring, a wire spring, a fusible flake member, or a fusible leaf member. Further, the optical element of the lens may be provided on other carriers and is not limited to a lens sheet, and the frame may be a frame or an outer frame of a different type or shape, but is not limited thereto.

In an embodiment, the material of the lens may be glass, plastic or metal plated glass, plastic (for example, silver plating or aluminum plating), and the connecting member may be self-tapping, insert pin, nut, thermal melting point, bonding or It may be provided on a lens or a lens sheet using a method such as adhesion. 8C is a stress residual distribution diagram for jointly connecting an optical element (lens) and a connecting member (spring) by self-tapping, and in the drawing, the red portion in the optical element is a stress residual region, and the red color means greater residual stress. , Blue area means that there is no residual stress. FIG. 8D is a stress distribution diagram for jointly connecting an optical element (lens) and a connecting member (spring) using an insertion pin, and in the drawing, the red region in the optical element indicates that stress does not occur. Therefore, the joint connection of the optical element and the connecting member using the insertion pin allows the occurrence of stress of the optical element to be significantly reduced or eliminated compared to the joint connection of the optical element and the connecting member by self-tapping, so image formation resolution It is advantageous for effects such as enhancing the image quality and improving the image quality (removing dark areas and smoothing the edges of the image). In an embodiment, the insertion pin may have a cross head as shown in FIG. 2, and in an embodiment, the insertion pin may include, but is not limited to, a straight head or a flat head. When joining using an insertion pin, the adhesive may be applied around the pin and around the head of the insertion pin, and / or the adhesive may be filled into the insertion pin fixing hole, for example, the insertion pin secures the insertion pin When inserted into the hole, the optical element and the connecting member can be fixedly connected. In an embodiment, the adhesive used may be, but is not limited to, UV adhesive, black gum, moisture-curing adhesive, etc., but the adhesive should have a certain heat resistance, at least under an environment that produces or uses an optical path adjustment mechanism. The high temperature generated should be handled to prevent loss of adhesion.

In an embodiment, the structure of at least a portion of the light path adjusting mechanism is an integral structure, for example, it is possible to obtain the effect of reducing the number of members, simplifying the overall structure and shortening the assembly time. For example, the connecting member, the lens and the frame may be integrally formed using the same material (for example, plastic or metal), or two of them may be integrally formed first, for example, The connecting member and the lens may be integrally formed first, or the connecting member and the frame may be integrally formed first, and then combined with the rest of the assembly. At this time, the fixing method at the time of combining may be an insertion pin bonding, adhesion or fixing with screws. In another embodiment, the connecting member, lens, lens sheet and frame may be integrally formed using the same material (for example, plastic or metal), or at least two of the assemblies may be integrally formed first. You can combine it with the rest of the assembly. In another embodiment, for example, the rotating shaft formed of the connecting member may be connected to the optical element, the coil may be installed to surround the edge of the optical element, and the optical element and the rotating shaft are integrally formed to constitute a mechanism for adjusting the optical path. can do. In another embodiment, the mechanism for adjusting the light path includes an outer frame, a support sheet, a lens provided on the support sheet, a coil installed around the edge of the support sheet, and a control mechanism provided between the support sheet and the outer frame can do. The control mechanism and the support sheet may be integrally formed, or the control mechanism, outer frame and optical elements may be integrally formed. In another embodiment, the mechanism for adjusting the light path includes a frame, a lens seat, a coil assembly, and a power mechanism, the lens seat is accommodated in the frame, includes a lens, and the coil assembly is installed to surround the lens seat, The transmission mechanism is connected between the lens seat and the frame, and of the frame, lens seat, and transmission mechanism, at least two are integrally formed. In addition, a shock absorbing material such as rubber may be filled between the frame and other internal structures to provide a shock absorbing effect.

10 is a schematic diagram of applying the optical path adjusting mechanism of the embodiment of the present invention to an optical system. Referring to FIG. 10, the optical device 300 includes an illumination system 310, a digital micromirror device 320, a projection lens 330, and a light path adjusting mechanism 340. Here, the illumination system 310 is provided with a light source 312, which is applied to the provision of the light beam 314, and the digital micromirror device 320 is disposed in the transmission path of the light beam 314. The digital micromirror device 320 is applied to convert the light beam 314 into a plurality of sub-images 314a. In addition, the projection lens 330 is disposed in a transmission path of a plurality of sub-images 314a, and the digital micromirror device 320 is positioned between the illumination system 310 and the projection lens 330. In addition, the light path adjusting mechanism 340 may be disposed between the digital micromirror device 320 and the projection lens 330, for example, between the digital micromirror device 320 and the total internal reflection prism 319. Or it may be disposed between the total internal reflection prism 319 and the projection lens 330, it may be located in the transmission path of the plurality of sub-images (314a). In the above-described optical device 300, the light source 312 is, for example, a red light emitting diode 312R, a green light emitting diode 312G and a blue light emitting diode 312B, and each light emitting diode emits colored light. It is launched and light-integrated through the light integration device 316 to form a light beam 314, which is a light integration rod 317, a lens set 318, and total internal prism (TIR Prism) ) 319 may be sequentially passed. Next, the total internal reflection prism 319 may reflect the light flux 314 to the digital micromirror device 320. At this time, the digital micromirror device 320 may convert the light beam 314 into a plurality of sub-images 314a, and the plurality of sub-images 314a may include a total internal reflection prism 319 and a light path adjusting mechanism 340. May sequentially pass through, and project a plurality of sub-images 314a onto the screen 350 through the projection lens 330. In this embodiment, when a plurality of sub-images 314a pass through the optical path adjusting mechanism 340, the optical path adjusting mechanism 340 may modify a transmission path of a portion of the plurality of sub-images 314a. . In other words, it may be projected to a first position (not shown) of the screen 350 through a plurality of sub-images 314a of the light path adjusting mechanism 340, and the light path adjusting mechanism ( A plurality of sub-images 340 of 340 may be projected to a second position (not shown) of the screen 350, where the first position and the second position are horizontal (X-axis) and / or vertical. There is a difference by a fixed distance from (Z axis). In this embodiment, since the optical path adjusting mechanism 340 can move the image forming positions of the plurality of sub images 314a by a fixed distance in the horizontal direction and / or the vertical direction, the horizontal resolution and / or The vertical resolution can be improved.
In addition, as illustrated in FIG. 10, the light flux incident on the total internal reflection prism (TIR Prism) 319 is incident in the horizontal direction (first direction), and the light flux 314 reflected by the digital micromirror device 320 ) Is exited in the vertical direction (second direction). The horizontal direction, which is the incident direction of the total internal prism 319 of the light beam, is the vertical direction, which is the traveling direction of the light beam reflected from the digital micromirror device 320. Is substantially perpendicular to the
Of course, the above-described embodiment is merely exemplary, and the optical path adjusting mechanism of the embodiment of the present invention can be applied to different optical systems to obtain different effects, and the position and arrangement method of installing the optical path adjusting mechanism on the optical system is completely It is not limited.

Although the present invention has been disclosed as described above through a preferred embodiment, it does not limit the invention, and any person skilled in the art can proceed with various modifications and corrections without departing from the spirit and scope of the invention. The scope of protection of the design is considered to be defined by the appended claims. In addition, any embodiments or claims of the present invention do not necessarily realize all the objects, advantages or features disclosed in the present invention. In addition, the summary part and name serve only to assist in the search for patent documents, and do not limit the scope of the present invention.

100: light path adjustment mechanism 110: support frame
112: optical element 112a, 112b: fixing hole
116: step portion 116a: side wall
120: working assembly 122: coil assembly
122a: coil 124: magnet
1241, 1242: Section 130: Spring
130a: neck 132, 134: leaf spring
132a, 134a: Insertion pin fixing hole 132b, 134b: Screw fixing hole
132d, 134d: connection 140: base
140a, 140b: fixing hole 150: piezoelectric assembly
170: insertion pin 200, 200a: optical path adjustment mechanism
210: interlocking member 212: lens
214: lens seat 214a, 214b: fixing hole
216: recessed part 220: working assembly
222: coil assembly 224: magnet
230: connecting member 232: leaf spring
232a, 232b, 232c, 232d: fixing hole 232e: hook
232f, 232g: Extension 240: Frame
240a, 240b: fixing hole 300: optical device
310: lighting system 312: light source
312R, 312G, 312B: Light emitting diode 314: Light flux
314a: Sub-image 316: Optical integration device
317: condensing column 318: lens set
319: Total internal reflection prism 320: Digital micromirror device
330: projection lens 340: light path adjustment mechanism
350: screen A: axis of rotation
A1-A3, B1-B3: Plate C, D: Connection
E, E ': Stage 1
F, F ': second stage
P1: first plane
P2: 2nd plane
M: Initial position N: Normal direction
P, Q: Direction of rotation T1, T2: Contact point
θ: angle W: length / width ratio
X: Length Y: Width

Claims (10)

An optical element having first and second regions diagonally located;
A first spring having a first end connected to the first region through a first insertion pin;
A second spring having a first end connected to the second region through a second insertion pin,
The first spring and the second spring is optically connected to the optical path adjustment mechanism. The method of claim 1, wherein the first spring has a first plane between the first end of the first spring and the second end facing the first spring,
The second spring has a second plane between the first end of the second spring and the second end facing the second spring,
The second plane of the second spring is formed to correspond to the position of the first plane of the first spring,
Wherein the first plane of the first spring is not parallel to the second plane of the second spring. Base;
A support frame provided on the base and having first and second regions diagonally located;
An optical element provided in the support frame;
A first end connected to the first region of the support frame through a first insertion pin and a second end connected to the first end of the base are provided, and a first end is provided between the first end and the second end. A first spring having a flat surface; And
A first end connected to the second region of the support frame through a second insertion pin and a second end connected to the second end of the base are provided, and a second end is provided between the first end and the second end. It includes a second spring having a flat surface,
The first spring and the second spring is a light path adjusting mechanism is connected to the support frame. The optical path adjusting mechanism according to claim 3, wherein the support frame and the optical element are integrally molded. The light path adjusting mechanism according to any one of claims 1 to 4, wherein the first spring is a thin metal and the second spring is a thin metal. The optical path adjusting mechanism according to any one of claims 1 to 4, wherein the optical element comprises a reflector or a lens. The optical path adjusting mechanism according to any one of claims 1 to 4, wherein the optical element is a lens, and a coil assembly is provided to surround the lens. The optical path adjusting mechanism according to claim 7, wherein the coil assembly includes a plurality of coils that are installed to be stacked substantially in the normal direction of the optical element. The optical path adjusting mechanism according to any one of claims 1 to 4, which can be used in an optical device, the optical device further comprising a total internal reflection prism. 10. The method of claim 9, The optical device further comprises a digital micromirror device,
The luminous flux enters the total internal prism in the first direction, and the luminous flux reflected by the digital micromirror device escapes in the second direction,
Wherein the first direction is substantially perpendicular to the second direction.

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