阅读说明：本技术 显示装置 (Display device ) 是由 颜仲廷 邱建赐 于 2020-03-19 设计创作，主要内容包括：本发明提供一种显示装置,包括显示面板、杆体、载台、外壳、校正器以及驱动模组。杆体具有轴端及与轴端相对的校正端。校正器设置于校正端,当杆体相对轴端转动,使校正器由第一位置移动至第二位置,校正器在第二位置时面对显示面。杆体设置于载台的上表面,外壳具有开口用以将载台容纳外壳内。驱动模组具有相对设置的第一电磁铁和第一铁片,第一电磁铁固定在外壳内壁,第一铁片固定在载台上；第一电磁铁通电时,第一电磁铁对第一铁片产生吸引力以使校正器由收纳位置移动至第一位置；驱动模组利用弹性体或者第一铁片的重力当校正器在第二位置时平移杆体,使校正器由第二位置移动到侦测位置,简化了驱动模组结构,防止噪音的产生。(The invention provides a display device which comprises a display panel, a rod body, a carrying platform, a shell, a corrector and a driving module. The rod body is provided with a shaft end and a correction end opposite to the shaft end. The corrector is arranged at the correcting end, and when the rod body rotates relative to the shaft end, the corrector moves from the first position to the second position, and the corrector faces the display surface when at the second position. The rod body is arranged on the upper surface of the carrying platform, and the shell is provided with an opening for accommodating the carrying platform in the shell. The driving module is provided with a first electromagnet and a first iron sheet which are oppositely arranged, the first electromagnet is fixed on the inner wall of the shell, and the first iron sheet is fixed on the carrying platform; when the first electromagnet is electrified, the first electromagnet generates attraction force on the first iron sheet so as to enable the corrector to move from the accommodating position to the first position; the driving module utilizes the gravity of the elastic body or the first iron sheet to translate the rod body when the corrector is at the second position, so that the corrector moves to the detection position from the second position, the structure of the driving module is simplified, and the generation of noise is prevented.)

1. A display device, comprising:

a display panel having a display surface;

the rod body is provided with a shaft end and a correcting end, and the correcting end is opposite to the shaft end;

the rod body is arranged on the upper surface of the carrying platform;

the shell is used for accommodating the display panel and exposing the display surface, the shell is provided with an opening for accommodating the carrying platform in the shell, and the carrying platform can move relative to the shell;

the corrector is arranged at the correcting end, the rod body rotates relative to the shaft end so as to enable the corrector to move from a first position to a second position, and the corrector faces the display surface at the second position so as to correct; and

the driving module is provided with a first electromagnet and a first iron sheet which are oppositely arranged, the first electromagnet is fixed on the inner wall of the shell, and the first iron sheet is fixed on the carrying platform; when the first electromagnet is electrified, the first electromagnet generates attraction force on the first iron sheet to enable the carrying platform to move, so that the corrector moves from the accommodating position to the first position.

2. The display device as claimed in claim 1, wherein a side of the carrier away from the rod extends downward to form a retaining wall, and the first iron sheet is fixed on the retaining wall and disposed opposite to the first electromagnet; when the corrector is at the accommodating position, the carrying platform translates away from the display surface in a first direction, so that the corrector moves to the first position, wherein the first direction is the normal direction of the display surface; when the corrector is at the second position, the carrying platform moves to be close to the display surface in a translation mode in the direction opposite to the first direction, and the corrector moves to the detection position to perform correction.

3. The display device of claim 1, wherein the stage has a front surface, and when the stage is received in the opening, the front surface of the stage is coplanar with an outer surface of the housing and the corrector is in the received position.

4. The display device according to claim 1, wherein the driving module further comprises a first elastic body, two ends of the first elastic body are respectively connected to the first electromagnet and the first iron sheet; when the first electromagnet is electrified, the first electromagnet generates attraction force on the first iron sheet so as to enable the corrector to move from the accommodating position to the first position; when the first electromagnet is powered off, the first elastic body generates repulsion force to the first iron sheet so that the corrector moves from the second position to the detection position.

5. The display device according to claim 1, wherein the first iron piece is located obliquely below the first electromagnet.

6. The display device according to claim 5, further comprising a first slide rail disposed in the housing in an inclined manner, wherein when the first electromagnet is energized, the first iron plate moves toward the first electromagnet along the first slide rail to drive the carrier to move the corrector from the storage position to the first position; when the first electromagnet is powered off, the first iron sheet moves obliquely downwards along the first slide rail under the influence of gravity to drive the corrector to move from the second position to the detection position.

7. The display device according to claim 1, wherein the driving module further comprises a second electromagnet, a second iron plate, and a first link, the second electromagnet is disposed on the platform and close to the shaft end of the rod, one end of the first link is pivotally connected to the shaft end, and the other end of the first link is pivotally connected to the second iron plate; when the second electromagnet is electrified, the second electromagnet generates attraction force on the second iron sheet, and the first connecting rod pulls the rod body to rotate relative to the shaft end so that the corrector moves from the first position to the second position.

8. The display device according to claim 7, wherein the driving module further comprises a second elastic body, and two ends of the second elastic body are respectively connected with the second electromagnet and the second iron sheet; when the second electromagnet is powered on, the second electromagnet generates attraction force on the second iron sheet, the first connecting rod pulls the rod body to rotate relative to the shaft end so that the corrector moves from the first position to the second position, when the second electromagnet is powered off, the second elastic body generates repulsion force on the second iron sheet, and the first connecting rod pushes the rod body to rotate relative to the shaft end so that the corrector moves from the second position to the first position.

9. The display device as claimed in claim 7, wherein the carrier further comprises a second slide rail vertically disposed above the shaft end, the second electromagnet is fixed at a high position of the second slide rail, the second iron sheet can slide between a low position of the second slide rail and the second electromagnet, and an anti-falling structure is provided at the low position of the second slide rail to prevent the second iron sheet from falling off the second slide rail; when the second electromagnet is powered on, the second electromagnet generates attraction force on the second iron sheet, the first connecting rod pulls the rod body to rotate relative to the shaft end so that the corrector moves from the first position to the second position, when the second electromagnet is powered off, the second iron sheet moves downwards under the influence of gravity, and the first connecting rod pushes the rod body to rotate relative to the shaft end so that the corrector moves from the second position to the first position.

10. The display apparatus as claimed in claim 1, wherein the weight of one side of the stick is greater than the weight of the other side of the stick, and the stick is driven to rotate relative to the shaft end under the action of gravity to move the corrector from the second position to the first position.

Technical Field

The present invention relates to a display device, and more particularly, to a display device with color correction function.

Background

In the display device with color correction function in the market, the color correction module is generally built in the frame of the display device to perform color matching and standardization of the display device. In general, a motor gear is used as a driving module in a display device to move a corrector from a storage position to a detection position, but for a user, the motor gear driving module generates noise during use, and in addition, the problem of difficult positioning is also caused when the motor gear driving module is installed.

Disclosure of Invention

The invention aims to provide a display device which drives a color corrector without generating noise.

To achieve the above object, the present invention provides a display device including:

a display panel having a display surface;

the rod body is provided with a shaft end and a correcting end, and the correcting end is opposite to the shaft end;

the rod body is arranged on the upper surface of the carrying platform;

the shell is used for accommodating the display panel and exposing the display surface, the shell is provided with an opening for accommodating the carrying platform in the shell, and the carrying platform can move relative to the shell;

the corrector is arranged at the correcting end, the rod body rotates relative to the shaft end so as to enable the corrector to move from a first position to a second position, and the corrector faces the display surface at the second position so as to correct; and

the driving module is provided with a first electromagnet and a first iron sheet which are oppositely arranged, the first electromagnet is fixed on the inner wall of the shell, and the first iron sheet is fixed on the carrying platform; when the first electromagnet is electrified, the first electromagnet generates attraction force on the first iron sheet to enable the carrying platform to move, so that the corrector moves from the accommodating position to the first position.

As an optional technical scheme, one side of the carrying platform, which is far away from the rod body, extends downwards to form a retaining wall, and the first iron sheet is fixed on the retaining wall and arranged opposite to the first electromagnet; when the corrector is at the accommodating position, the carrying platform translates away from the display surface in a first direction, so that the corrector moves to the first position, wherein the first direction is the normal direction of the display surface; when the corrector is at the second position, the carrying platform moves to be close to the display surface in a translation mode in the direction opposite to the first direction, and the corrector moves to the detection position to perform correction.

As an optional technical solution, the carrier has a front surface, and when the carrier is received in the opening, the front surface of the carrier is coplanar with the outer surface of the housing, and the corrector is located at the receiving position.

As an optional technical solution, the driving module further comprises a first elastic body, and two ends of the first elastic body are respectively connected to the first electromagnet and the first iron sheet; when the first electromagnet is electrified, the first electromagnet generates attraction force on the first iron sheet so as to enable the corrector to move from the accommodating position to the first position; when the first electromagnet is powered off, the first elastic body generates repulsion force to the first iron sheet so that the corrector moves from the second position to the detection position.

As an optional technical solution, the first iron sheet is located obliquely below the first electromagnet.

As an optional technical solution, the correction device further includes a first slide rail obliquely arranged inside the housing, and when the first electromagnet is powered on, the first iron sheet moves towards the first electromagnet along the first slide rail to drive the carrier to move the corrector from the storage position to the first position; when the first electromagnet is powered off, the first iron sheet moves obliquely downwards along the first slide rail under the influence of gravity to drive the corrector to move from the second position to the detection position.

As an optional technical solution, the driving module further includes a second electromagnet, a second iron sheet, and a first connecting rod, the second electromagnet is disposed on the carrying platform and close to the shaft end of the rod body, one end of the first connecting rod is pivoted with the shaft end, and the other end is pivoted with the second iron sheet; when the second electromagnet is electrified, the second electromagnet generates attraction force on the second iron sheet, and the first connecting rod pulls the rod body to rotate relative to the shaft end so that the corrector moves from the first position to the second position.

As an optional technical solution, the driving module further includes a second elastic body, and two ends of the second elastic body are respectively connected with the second electromagnet and the second iron sheet; when the second electromagnet is powered on, the second electromagnet generates attraction force on the second iron sheet, the first connecting rod pulls the rod body to rotate relative to the shaft end so that the corrector moves from the first position to the second position, when the second electromagnet is powered off, the second elastic body generates repulsion force on the second iron sheet, and the first connecting rod pushes the rod body to rotate relative to the shaft end so that the corrector moves from the second position to the first position.

As an optional technical solution, the carrier further includes a second slide rail vertically arranged, the second slide rail is arranged above the shaft end, the second electromagnet is fixed at a high position of the second slide rail, the second iron sheet can slide between a low position of the second slide rail and the second electromagnet, and an anti-falling structure is arranged at the low position of the second slide rail to prevent the second iron sheet from falling off from the second slide rail; when the second electromagnet is powered on, the second electromagnet generates attraction force on the second iron sheet, the first connecting rod pulls the rod body to rotate relative to the shaft end so that the corrector moves from the first position to the second position, when the second electromagnet is powered off, the second iron sheet moves downwards under the influence of gravity, and the first connecting rod pushes the rod body to rotate relative to the shaft end so that the corrector moves from the second position to the first position.

As an optional technical solution, the weight of one side of the rod body is greater than the weight of the other side of the rod body, and under the action of gravity, the rod body is driven to rotate relative to the shaft end so as to move the corrector from the second position to the first position.

Compared with the prior art, the corrector can be installed together with the display panel, and when the first electromagnet is electrified, the first electromagnet generates attraction force on the first iron sheet so that the corrector moves from the accommodating position to the first position; the gravity that drive module utilized elastomer or first iron sheet is the translation body of rod when the corrector is in the second position, makes the corrector remove to listening the position by the second position, has simplified drive module structure, and the production of noise prevents, makes the corrector more can press close to display panel to obtain more accurate correction value.

In order to better understand the above and other aspects of the present invention, the following detailed description of the embodiments is made with reference to the accompanying drawings:

drawings

FIG. 1 is a schematic diagram of a display device according to an embodiment of the invention, in which a color correction module can be assembled in a housing of the display device and located at a receiving position.

Fig. 2A is a schematic view of a display device according to an embodiment of the invention when the corrector is located at the storage position.

Fig. 2B is a schematic diagram of the display device according to the embodiment of the invention when the corrector is located at the first position.

Fig. 2C is a schematic view of the display device according to the embodiment of the invention when the corrector is located at the second position.

Fig. 2D is a schematic view of the display device according to the embodiment of the invention when the corrector is located at the detection position.

Fig. 2E and fig. 2F are schematic views illustrating an operation of the driving module driving the rod body to rotate from the first position to the second position according to an embodiment of the present invention.

Fig. 3A is a schematic view of a display device according to another embodiment of the invention when the corrector is located at the storage position.

FIG. 3B is a schematic diagram of a display device according to another embodiment of the invention when the corrector is located at the first position.

FIG. 3C is a schematic diagram of a display device according to another embodiment of the invention when the corrector is at the second position.

Fig. 3D is a schematic view of a display device according to another embodiment of the invention when the corrector is located at the detection position.

Fig. 3E and 3F are schematic views illustrating an operation of the driving module driving the rod to rotate from the first position to the second position according to another embodiment of the present invention.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.

The following embodiments are provided for illustrative purposes only and are not intended to limit the scope of the present invention. The following description will be given with the same/similar reference numerals as used for the same/similar elements. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are referred to only in the direction of the attached drawings. Accordingly, the directional terminology is used for purposes of illustration and is in no way limiting.

According to an embodiment of the present invention, a display device is provided, in which the corrector can be accommodated in a housing of the display device or exposed outside the display device. If the corrector is not needed, the corrector can be accommodated in the shell of the display device so as to keep the appearance attractive. When the color of the picture of the display device is found to be degraded, the user can use the corrector to carry out color correction, so that the display device can present more real color.

When color correction is needed, the corrector moves to the front of the display surface in a translation mode, so that the corrector can be closer to the display surface to avoid the interference of a light source in the external environment.

Referring to fig. 1 and fig. 2A to 2D, fig. 1 is a schematic view illustrating a color correction module 130 of a display device 100 assembled in a housing 120 of the display device 100, and fig. 2A to 2D are schematic views illustrating a corrector 118 of the display device 100 at a storage position, a first position, a second position and a detection position according to an embodiment of the invention. Fig. 2E and fig. 2F are schematic diagrams illustrating an operation of the driving module driving the rod 114 to rotate from the first position to the second position according to an embodiment of the present invention.

As shown in fig. 1, the display device 100 includes a display panel 110, a stick 114, a corrector 118, a stage 132, and a housing 120. The display panel 110 has a display surface 112. The stick 114 is disposed on the stage 132. The corrector 118 is disposed at a first end of the rod 114, and a second end of the rod 114 is connected to the rotating shaft 116 at the side of the display panel 110.

In fig. 1, the corrector 118 is located at a storage position, as shown in fig. 1, and the housing 120 is used for accommodating the display panel 110 and exposing the display surface 112. The housing 120 has an opening 121 for accommodating a stage 132 of the color correction module 130, as shown in fig. 2A, the stage 132 can move back and forth along a first direction, i.e., a normal direction of the display surface 112, the stage 132 has a front surface, and when the stage 132 is accommodated in the opening 121, the front surface of the stage 132 is coplanar with an outer surface of the housing 120. The carrier 132 and the stick 114 may be covered by a cover (not shown) to prevent the carrier 132 and the stick 114 from being exposed. The first end of the shaft 114 is a calibration end, and the second end of the shaft 114 is a shaft end 115. The rod body rotates relative to the shaft end to enable the corrector to move from a first position to a second position, and the corrector faces the display surface when in the second position to perform correction.

In fig. 2A to 2F, the display device 100 includes a driving module, the driving module has a first electromagnet 141 and a first iron sheet 142, the first electromagnet 141 is fixed on the inner wall of the housing 120, the first electromagnet 141 can generate a magnetic force by being electrified, and the first iron sheet 142 is fixed on the carrier 132; when the first electromagnet 141 is energized, the first electromagnet 141 generates an attractive force on the first iron piece 142, and the first iron piece 142 and the stage 132 are fixedly connected together, so that the stage 132 is driven to move forward along the first direction D1, and the corrector 118 on the rod 114 moves from the storage position in fig. 2A to the first position in fig. 2B via the stage 132. In the driving module of the embodiment of the invention, the first electromagnet 141 is energized to generate a magnetic force to make the carrier 132 move horizontally, so that the driving module in combination of a motor, a gear and a belt adopted in the prior art is replaced, and noise is reduced or eliminated.

In one embodiment, one side of the carrier 132 away from the rod 114 extends downward to form a retaining wall 133, and the first iron sheet 142 is fixed on the retaining wall 133 and disposed opposite to the first electromagnet 141. When the first electromagnet 141 is electrified to attract the first iron piece 142 fixed on the retaining wall 133, the carrier moves toward the first direction D1, and is cut out from the opening 121 of the housing 120.

In an embodiment, the driving module further includes a second electromagnet 144, a second iron piece 145, and a first link 146, the second electromagnet 144 is disposed on the carrying platform 132 and is close to the shaft end 115 of the rod body 114, one end of the first link 146 is pivotally connected to the shaft end 115, and the other end is pivotally connected to the second iron piece 145. As shown in fig. 2B, when the second electromagnet 144 is powered on, the second electromagnet 144 can obtain magnetic force by the power on, the second electromagnet 144 generates an attraction force on the second iron piece 145, the second iron piece 145 moves towards the second electromagnet 144, and drives the first link 146 to move, and the rod 114 is pulled by the first link 146 to rotate relative to the shaft end 115, so that the corrector 118 moves from the first position in fig. 2B to the second position in fig. 2C.

In an embodiment, the driving module further includes a first elastic body 143 (as shown in fig. 2B), two ends of the first elastic body 143 are respectively connected to the first electromagnet 141 and the first iron piece 142; when the first electromagnet 141 is energized, the first electromagnet 141 generates an attractive force to the first iron piece 142, and at this time, the first elastic body 143 is in a compressed state. When the first electromagnet 141 is de-energized, the first elastic body 143 generates a repulsive force to the first iron piece 142, and the first iron piece 142 and the carrier 132 are fixedly connected together, so that the carrier 132 is driven by the first iron piece 142 to move backward along the direction D2 opposite to the first direction D1, so that the corrector 118 moves from the second position in fig. 2C to the detection position in fig. 2D via the carrier 132 to perform correction.

After the color correction is completed, the first electromagnet 141 of the driving module is energized to attract the first iron sheet 142 on the carrying stage 132, so that the rod 114 is translated, and the corrector 118 is moved from the detection position to the second position to be away from the display surface 112, thereby preventing the display surface from being touched when the display surface is subsequently returned to the storage position. In an embodiment, the driving module further includes a second elastic body 147, and two ends of the second elastic body 147 are respectively connected to the second electromagnet 144 and the second iron piece 145; when the second electromagnet is powered on, the second electromagnet generates an attractive force to the second iron piece, the rod body is pulled by the first link to rotate relative to the shaft end so as to move the corrector from the first position to the second position, at this time, the second elastic body 147 is in a compressed state, when the second electromagnet 144 is powered off, the compressed second elastic body 147 generates a repulsive force to the second iron piece 145, and the rod body 114 is pushed by the first link 146 to rotate relative to the shaft end 115 so as to move the corrector from the second position 118 in fig. 2C to the first position in fig. 2B. Then, the first electromagnet 141 is deenergized, and the stage 132 is pushed by the repulsive force of the first elastic body 143 against the first iron piece 142 and is accommodated in the housing 120 of the display device 100.

Fig. 3A to 3D are schematic views of a display device according to another embodiment of the invention, which respectively correspond to the corrector 118 located at the receiving position, the first position, the second position and the detecting position; fig. 3E and 3F are schematic views illustrating an operation of the driving module driving the rod 114 to rotate from the first position to the second position according to another embodiment of the present invention.

As shown in fig. 3A, in the display device 100 according to the embodiment of the invention, the first iron sheet 142 of the driving module is located obliquely below the first electromagnet 141. The driving module further includes a first slide rail (not shown) disposed in the housing 120 in an inclined manner, the first slide rail is disposed below the first iron sheet 142, and when the first electromagnet 141 is powered on, the first iron sheet 142 moves toward the first electromagnet 141 along the first slide rail, and drives the carrier 132 to move obliquely upward along the first direction D1, so that the corrector 118 moves from the storage position in fig. 3A to the first position in fig. 3B.

In an embodiment, the carrier 132 further includes a second slide rail 134 vertically disposed, the second slide rail 134 is disposed above the shaft end 115, and does not overlap with the projection of the rod 114 on the horizontal plane, the second electromagnet 144 is fixed at a high position of the second slide rail 134, the second iron sheet 145 can slide between a low position of the second slide rail 134 and the second electromagnet 144, and a low position of the second slide rail 134 has an anti-falling structure to prevent the second iron sheet 145 from falling off from the second slide rail 134; when the second electromagnet 144 is energized, the second electromagnet 144 generates an attractive force on the second iron piece 145, so that the first link 146 pulls the rod 114 to rotate relative to the shaft end 115 to move the corrector 118 from the first position in fig. 3B to the second position in fig. 3C. Then, the first electromagnet 141 is de-energized, the attractive force between the first electromagnet 141 and the first iron piece 142 disappears, the first iron piece 142 moves along the first slide rail toward the direction D2 opposite to the first direction D1 under the influence of gravity, and the corrector 118 is driven to move from the second position shown in fig. 3C to the detection position shown in fig. 3D.

After the color calibration is completed, the first electromagnet 141 of the driving module is energized to attract the first iron sheet 142 on the carrying stage 132, so as to translate the rod 114, and the calibrator 118 is moved from the detection position to the second position to be away from the display surface 112. Then, the second electromagnet 144 is de-energized, the second iron piece 145 moves downward under the influence of gravity, and the rod 114 is pushed by the first link 146 to rotate relative to the shaft end 115, so that the corrector 118 moves from the second position shown in fig. 3C to the first position shown in fig. 3B. Then, the first electromagnet 141 is de-energized, the first electromagnet 141 no longer attracts the first iron piece 142, and the first iron piece 142 moves along the first slide rail in the direction D2 opposite to the first direction D1 under the action of gravity, so as to push the carrier 132 to move and store in the housing 120 of the display device 100 to return to the storage position.

In an embodiment, the second electromagnet 144 is powered off, in order to rotate the rod 114 from the second position to the first position, the weight of the rod 114 may be set to be uneven, the weight of one side of the rod 114 and the carrying platform 132 is greater than the weight of the other side of the rod, when the rod 114 is in the second position, the weights applied to the left and right sides of the rod 114 are different, and when the second electromagnet 144 is powered off, the rod 114 is driven to rotate relative to the shaft end 115 under the action of gravity, so that the corrector 118 moves from the second position to the first position. Then, the first electromagnet 141 is de-energized, the first electromagnet 141 no longer attracts the first iron piece 142, and under the action of gravity, the first iron piece 142 moves along the first slide rail in the direction D2 opposite to the first direction D1, and pushes the carrier 132 to move and store in the housing 120 of the display device 100.

In the above embodiment, after the color correction is completed, the driving module provides two ways to slide the stage 132 back to the opening 121 in a translational manner, one is to use the restoring force of the first elastic body 143 after being compressed, and the other is to use the gravity of the first iron sheet 141; in addition, three ways of rotating the rod 114 from the second position back to the first position are provided, one using the restoring force of the second elastic body 147 after being compressed, one using the downward gravity of the first iron piece 145, and the last using the gravity distribution of the rod 114 itself; the different translation driving modules and the different rotation driving modules may be respectively combined to form different driving modules for driving the rod 114 to translate and rotate.

In the above embodiments, the stick 114 is shown to move from the storage position to the detection position via the stage 132, but the invention is not limited thereto. The rod 114 can be directly exposed from the housing 120 of the display device 100, and the same effect can be achieved by directly rotating and translating the driving module.

The invention provides a display device which comprises a display panel, a rod body, a carrying platform, a shell, a corrector and a driving module. The rod body is provided with a shaft end and a correction end opposite to the shaft end. The corrector is arranged at the correcting end, and when the rod body rotates relative to the shaft end, the corrector moves from the first position to the second position, and the corrector faces the display surface when at the second position. The rod body is arranged on the upper surface of the carrying platform, and the shell is provided with an opening for accommodating the carrying platform in the shell. The driving module is provided with a first electromagnet and a first iron sheet which are oppositely arranged, the first electromagnet is fixed on the inner wall of the shell, and the first iron sheet is fixed on the carrying platform; when the first electromagnet is electrified, the first electromagnet generates attraction force on the first iron sheet so as to enable the corrector to move from the accommodating position to the first position; the driving module utilizes the gravity of the elastic body or the first iron sheet to translate the rod body when the corrector is at the second position, so that the corrector moves to the detection position from the second position, the structure of the driving module is simplified, and the generation of noise is prevented.

The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.