Display device

Abstract

A display device includes a body, a light source, and a reflector. The light source is disposed within the body. The reflector is rotatably disposed within the body, wherein the reflector has a first reflective surface and a second reflective surface, the first reflective surface having a greater reflectivity than the second reflective surface. The reflector is adapted to rotate to a first state such that the first reflective surface is oriented toward the light source to reflect light from the light source out of the body. The reflector is adapted to rotate to a second state such that the second reflective surface is oriented toward the light source to reflect light from the light source out of the body.

Description

TECHNICAL FIELD

[0001] The present invention relates to a device, and particularly to a display device. BACKGROUND

[0002] With the development of the entertainment industry, the display device is not only used for displaying pictures, but also required to provide more diverse visual experience. The rear shell of the existing display device can be provided with decorative lights to achieve additional styling design, and the color of the decorative lights can be changed to match the game information to provide an immersive game experience. The light-emitting mode of the decorative lights of the existing display device includes directional light emission and diffuse light emission. The light-emitting light of the directional light emission decorative light is relatively concentrated and has high brightness, which is not suitable for occasions with many people. The directional light emission decorative light needs to rely on a background device to reflect the light-emitting light. When the decorative light is too far or too close to the background device, the reflection effect is not good. The light-emitting light of the diffuse light emission decorative light is relatively uniform, and in the case of moderate brightness, the information can be distinguished by naked eye or appreciated.

[0003] The light-emitting mode (directional light emission and diffuse light emission) of the decorative lights of the existing display device cannot be changed, in other words, the user cannot select the appropriate light-emitting mode according to the field and its needs, and the setting mode of the display device will be limited. Therefore, how to let the user switch the different light-emitting modes of the decorative lights according to their needs is a problem that needs to be solved in the field. SUMMARY

[0004] The present invention provides a display device, wherein the light source of the decorative lights can switch different light-emitting modes according to the needs of the user.

[0005] The display device of the present invention comprises a main body, a light source and a reflector. The light source is arranged in the main body. The reflector is rotatably arranged in the main body, wherein the reflector has a first reflection surface and a second reflection surface, and the reflectivity of the first reflection surface is greater than that of the second reflection surface. The reflector is adapted to rotate to a first state, so that the first reflection surface faces the light source to reflect the light of the light source to the outside of the main body. The reflector is adapted to rotate to a second state, so that the second reflection surface faces the light source to reflect the light of the light source to the outside of the main body.

[0006] In an embodiment of the present invention, the haze of the second reflection surface is higher than that of the first reflection surface.

[0007] In an embodiment of the present invention, the second reflection surface has a microstructure.

[0008] In an embodiment of the present invention, the first reflection surface is a plane or a curved surface.

[0009] In an embodiment of the present application, the main body has a display surface facing a front of the display device, and the first and second reflecting surfaces are adapted to reflect light from the light source toward a back of the display device.

[0010] In an embodiment of the present application, the display device further comprises a linkage member. The linkage member is disposed in the main body and has an input portion and an output portion. The output portion is connected to the reflecting member and is linked to the input portion. The input portion is adapted to be rotated by a force to drive the output portion to rotate the reflecting member to the first state or the second state.

[0011] In an embodiment of the present application, an axis of rotation of the input portion is parallel or perpendicular to an axis of rotation of the output portion.

[0012] In an embodiment of the present application, the linkage member is a universal joint.

[0013] In an embodiment of the present application, the display device further comprises an actuator. The actuator is disposed in the main body and is connected to the input portion. The actuator is adapted to drive the input portion to rotate.

[0014] In an embodiment of the present application, the display device further comprises a knob. The knob is disposed in the main body and is connected to the input portion. The knob is exposed outside the main body and is adapted to be driven by a force to rotate the input portion.

[0015] In an embodiment of the present application, the reflecting member is arc-shaped or straight.

[0016] In an embodiment of the present application, a material of the reflecting member comprises an elastic material.

[0017] In an embodiment of the present application, the display device further comprises a limiting member. The limiting member is disposed in the main body, and the reflecting member is rotatably disposed in the limiting member.

[0018] In an embodiment of the present application, the reflecting member has a convex arc surface, and the limiting member has a concave arc surface. The convex arc surface and the concave arc surface face each other. A center of curvature of the concave arc surface and a center of curvature of the convex arc surface are the same and are located on an axis of rotation of the reflecting member.

[0019] Based on the above, the light source of the decorative lamp of the display device of the present application can switch between different light emission modes through the first reflection surface and the second reflection surface of the reflection member, the reflectivity of the first reflection surface is greater than that of the second reflection surface. In the first state, the first reflection surface faces the light source to reflect the light of the light source, the light rays reflected by the first reflection surface are more concentrated, at this time the decorative lamp is directional light emission. In the second state, the second reflection surface faces the light source to reflect the light of the light source, the light rays reflected by the first reflection surface are more uniform, at this time the decorative lamp is diffuse light emission. Thus, the decorative lamp of the display device has two light emission modes (directional light emission and diffuse light emission). The user can switch the light emission mode of the decorative lamp of the display device according to different fields and their needs to obtain a better light experience.

[0020] In order to make the above features and advantages of the present application more obvious and easy to understand, the following specific examples are described in detail below with the attached drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1A is a schematic view of a display device of an embodiment of the present application;

[0022] Figure 1B is a partial cross-sectional view of the display device of Figure 1A ;

[0023] Figure 2A is a schematic view of the reflection member of Figure 1B in the first state;

[0024] Figure 2B is a schematic view of the reflection member of Figure 1B in the second state;

[0025] Figure 3A is a schematic view of the first reflection surface of the reflection member of Figure 2A ;

[0026] Figure 3B is a schematic view of the second reflection surface of the reflection member of Figure 2A ;

[0027] Figure 4 is a schematic view of the connecting member of Figure 1B ;

[0028] Figure 5 is a partial cross-sectional view of a display device of another embodiment of the present application;

[0029] Figure 6A is a schematic view of a display device of another embodiment of the present application;

[0030] Figure 6B is a schematic view of the cross section of the display device of Figure 6A ;

[0031] Figure 6C is Figure 6A a schematic view of part elements of a display device according to the present application;

[0032] Figure 7 is a schematic view of a display device according to another embodiment of the present application;

[0033] Figure 8 is a schematic view of a display device according to another embodiment of the present application.

[0034] Explanation of symbols

[0035] 100a, 100b, 100c, 100d, 100e: display device

[0036] 110, 110c, 110d, 110e: main body

[0037] 112: display surface

[0038] 114a, 114c, 114d, 114e: light-transmissive region

[0039] 120, 120c: light source

[0040] 130, 130a, 130c: reflecting member

[0041] 132, 132a: first reflecting surface

[0042] 134: second reflecting surface

[0043] 136: convex arc surface

[0044] 140: link member

[0045] 142: input portion

[0046] 144: output portion

[0047] 150: actuator

[0048] 160: knob

[0049] 170, 170c: stopper

[0050] 176: concave arc surface

[0051] A1, A2: line

[0052] B1, B2: rotation axis

[0053] C1, C2: light exit direction

[0054] E1: upper side

[0055] E2: side edge

[0056] M1: first state

[0057] M2: second state

[0058] P1: microstructure DETAILED DESCRIPTION

[0059] The present application is illustrated by way of example and not limitation in the figures of the accompanying drawings in which:

[0060] Figure 1A is a schematic view of a display device according to an embodiment of the present application. Figure 1B is a partial cross-sectional view of the display device of Figure 1A Figure 1B is a partial cross-sectional view along line A1 of Figure 1A Figure 1A and Figure 1B The display device 100a includes a main body 110, a light source 120, and a reflector 130. The light source 120 is disposed in the main body 110, and an incident direction of light of the light source 120 is toward the reflector 130. The reflector 130 is rotatably disposed in the main body 110, and the reflector 130 is adapted to reflect light of the light source 120 out of the main body 110. Here, the light source 120 and the reflector 130 cooperatively serve as a decorative light of the display device 100a to provide an additional light experience.

[0061] The structure of the reflector 130 and the operation mode of the reflector 130 are described in more detail below.

[0062] Figure 2A is a schematic view of the reflector of Figure 1B in a first state. Figure 2B is a schematic view of the reflector of Figure 1B in a second state. In Figure 2A and Figure 2B , some elements are omitted to illustrate the correspondence between the reflector 130 and the light source 120, and the incident direction of light and an outgoing direction of light are schematically shown by arrows. Please refer to Figure 2A and Figure 2B The reflector 130 has a first reflecting surface 132 and a second reflecting surface 134. The reflectivity of the first reflecting surface 132 is greater than the reflectivity of the second reflecting surface 134, so that the effect of light being reflected by the first reflecting surface 132 is different from the effect of light being reflected by the second reflecting surface 134, and different light experiences can be provided. Specifically, as Figure 2A ​​As shown, the reflector 130 is adapted to rotate to a first state M1, in which the first reflecting surface 132 of the reflector 130 faces the light source 120 to reflect the light from the light source 120 to the outside of the main body 110. The first reflecting surface 132 has an angle with the incident direction of the light, so that the light is emitted in a light-emitting direction (reflection direction) different from the incident direction. The first reflecting surface 132 can effectively reflect light, so that the light reflected by the first reflecting surface 132 is more concentrated. At this time, the light emission mode of the decorative lamp is directional.

[0063] like Figure 2B As shown, the reflector 130 is also adapted to rotate to a second state M2, in which the second reflecting surface 134 of the reflector 130 faces the light source 120 to reflect the light from the light source 120 out of the body 110. The second reflecting surface 134 has a microstructure P1 (shown in...). Figure 3B The reflective characteristics of the reflector 130 are altered to make the light reflected through the second reflector 134 more diffuse, thus the light emission mode of the decorative lamp is diffuse light emission. The uniformity of the light emitted through the second reflector 134 (i.e., the second state M2) is better than the uniformity of the light emitted through the first reflector 132 (i.e., the first state M1).

[0064] Therefore, the display device 100a of this embodiment can achieve two light emission effects (directional light emission and diffuse light emission) through a reflector 130. Users can freely choose the desired light emission effect according to their usage scenario and external environment to obtain a better lighting experience.

[0065] Figure 3A yes Figure 2A A schematic diagram of the first reflecting surface of the reflector. Figure 3B yes Figure 2A A schematic diagram of the second reflecting surface of the reflector. Please also refer to... Figure 3A and Figure 3B The first reflecting surface 132 is, for example, a plane with high reflectivity, and the second reflecting surface 134 has, for example, a microstructure P1. The microstructure P1 may consist of multiple circular structures, which are specially treated to have high haze. The second reflecting surface 134 uses these circular structures to change its reflectivity, thereby causing the light reflected from the second reflecting surface 134 to diffuse uniformly. The overall haze of the second reflecting surface 134 is higher than that of the first reflecting surface 132.

[0066] Of course, the arrangement of the first reflective surface 132 and the second reflective surface 134 is not limited to the present embodiment. For example, in an embodiment not shown, the first reflective surface 132 is curved, and the microstructure P1 of the second reflective surface 134 can be composed of a rectangle, a polygon, an irregular shape, or a combination thereof. In addition, the entire surface of the second reflective surface 134 can also be treated by a special surface treatment to improve the haze of the second reflective surface 134 (i.e., the entire surface of the second reflective surface 134 is regarded as a microstructure P1). Users can choose the appropriate treatment according to their needs.

[0067] In addition, the reflector 130 can also include a third reflective surface (not shown), the reflectivity of the third reflective surface can be greater than the reflectivity of the second reflective surface 134 and less than the reflectivity of the first reflective surface 132, to increase the light output mode of the display device 100a, and provide more diverse lighting experiences. In other embodiments, the reflector 130 can also include a larger number of reflective surfaces with different reflective / diffusion properties, and the present application does not limit the number of reflective surfaces.

[0068] Figure 4 is Figure 1B a schematic view of the linkage. Please refer to Figure 4 The display device 100a of the present embodiment also includes a linkage 140. The linkage 140 is arranged in the main body 110 (shown in Figure 1B ) and has an input portion 142 and an output portion 144. The output portion 144 is connected to the reflector 130 (shown in Figure 3A ) and is linked with the input portion 142, and the input portion 142 is adapted to be rotated under force to drive the output portion 144 to rotate the reflector 130 to the first state M1 (shown in Figure 2A ) or the second state M2 (shown in Figure 2B ). The reflector 130 rotates coaxially with the output portion 144 (i.e., rotates around the same rotation axis B2 as the output portion 144). Specifically, when the input portion 142 is rotated around the rotation axis B1 of the input portion 142 under force, the output portion 144 is driven by the input portion 142 to rotate around the rotation axis B2 of the output portion 144 synchronously. Here, the rotation axis B1 of the input portion 142 is perpendicular to the rotation axis B2 of the output portion 144, but is not limited thereto. Specifically, the linkage 140 of the present embodiment is, for example, a universal joint, and synchronous rotation of the input portion 142 and the output portion 144 can be achieved. In other embodiments, the linkage can be other forms of linkage structure, and the present application does not limit this.

[0069] Please return to Figure 1A and Figure 1BThe arrangement of the main body 110, light source 120, and reflector 130 of the display device 100a in this embodiment is described in detail below. The main body 110 of the display device 100a has a display surface 112 facing the front of the display device 100a, and the reflector 130 and light source 120 are located behind the main body 110. The reflector 130 is located between the display surface 112 and the light source 120. The first reflective surface 132 and the second reflective surface 134 of the reflector 130 are adapted to reflect the light from the light source 120 toward the rear of the display device 100a. In other words, the light emission direction of the decorative lamp is opposite to the display direction of the display device 100a (display surface 112).

[0070] The main body 110 has a light-transmitting area 114a, the position and shape of which correspond to the placement position and shape of the light source 120 and the reflector 130. Light rays reflected by the first reflective surface 132 and the second reflective surface 134 can pass through the light-transmitting area 114a and exit the main body 110. Here, the reflector 130 and the light source 120 are linear in shape and positioned near an upper side E1 of the main body 110, and the light-transmitting area 114a is correspondingly rectangular and close to the upper side E1 of the main body 110. In other embodiments, the reflector 130, the light source 120, and the light-transmitting area 114a can be arranged in other ways and in other quantities; this invention does not limit these.

[0071] like Figure 1B As shown, the display device 100a also includes a limiting member 170. The limiting member 170 is disposed in the main body 110, and the reflector 130 is rotatably disposed within the limiting member 170. The limiting member 170 is adapted to confine the reflector 130 within it to maintain the shape and position of the reflector 130. Specifically, the reflector 130 has a convex arc surface 136, which connects the first reflective surface 132 and the second reflective surface 134. The limiting member 170 has a concave arc surface 176, and the convex arc surface 136 and the concave arc surface 176 face each other. The center of curvature of the concave arc surface 176 is the same as the center of curvature of the convex arc surface 136 and is located on the rotation axis of the reflector 130. When the reflector 130 is in the first state M1 (shown in Figure 1), Figure 2A ) and the second state M2 (drawn in Figure 2B When switching between the reflector 130 and the limiter 170, the convex arc surface 136 of the reflector 130 can slide relative to the concave arc surface 176 of the limiter 170, so that the reflector 130 can rotate smoothly.

[0072] In this embodiment, the display device 100a further comprises a knob 160. The knob 160 is disposed on the main body 110 and connected to the input portion 142 of the linkage 140. The knob 160 is adapted to be forced to drive the input portion 142 to rotate. In other words, the user can manually adjust the reflector 130 to be in the first state M1 or the second state M2 to change the light emitting mode (directional light emitting and diffused light emitting) of the decorative light of the display device 100a. Since the rotation axis B1 of the input portion 142 of the linkage 140 is perpendicular to the rotation axis B2 of the output portion 144 (shown in FIG. 1), the knob 160 is connected to the input portion 142 and exposed to the main body 110 from the upper side E1 of the main body 110, but is not limited thereto. For example, in an embodiment not shown, the rotation axis B1 of the input portion 142 of the linkage 140 is parallel to the rotation axis B2 of the output portion 144, and the knob 160 can be disposed on the side edge E2 of the main body 110a. Figure 4

[0073] It is worth mentioning that when the decorative light of the display device 100a is directional light emitting (i.e., the reflector 130 is in the first state M1), the light emitted by the decorative light can be projected to the background equipment (for example, a wall) and reflected to be presented in front of the user. When the light emitting angle is fixed, the background equipment is too close or too far from the main body 110, which will result in poor reflection effect. Therefore, in addition to being able to switch between the first state M1 and the second state M2, the reflector 130 of the embodiment is also adapted to change its reflection angle by the linkage 140 to adjust the light emitting angle of the decorative light to the most suitable angle for the background equipment to reflect when the reflector 130 is in the first state M1.

[0074] Specifically, Figure 1B ​Reflector 130 with different reflection angles is illustrated in the first state Ml. Here, reflector 130 with a first reflection angle is illustrated in solid line, the first reflection surface 132 of reflector 130 has a first reflection angle with the light of light source 120, the light reflected by the first reflection surface 132 leaves main body 110 along light exit direction Cl. Reflector 130a with a second reflection angle is illustrated in dashed line, the first reflection surface 132a of reflector 130a has a second reflection angle with the light of light source 120, the light reflected by the first reflection surface 132a leaves main body 110 along light exit direction C2. Light exit direction Cl is different from light exit direction C2. User can rotate reflector 130 with the first reflection angle to reflector 130a with the second reflection angle or rotate reflector 130a with the second reflection angle to reflector 130 with the first reflection angle by knob 160 and connecting member 140. Thus, in the first state Ml, user can change the angle between the first reflection surface 132, 132a and the light of light source 120 according to the distance between main body 110 and the background device to adjust the light exit angle to the angle most suitable for the reflection of the background device, so that the setting position of display device 100a is not limited by the environment, to improve the application field of display device 100a.

[0075] Figure 5 is a partial sectional view of a display device according to another embodiment of the present application. Figure 5 Display device 100b of the illustrated embodiment is similar to Figure 1B the illustrated embodiment, the difference between the two is that, Figure 5 Display device 100b of the illustrated embodiment includes an actuator 150. Actuator 150 is arranged on main body 110 and connected to input portion 142, actuator 150 is adapted to drive input portion 142 to rotate. Here, actuator 150 is, for example, a driving motor, but is not limited thereto. User can adjust reflector 130 by actuator 150 in an electrically driven manner, so that reflector 130 is in the first state Ml (illustrated in Figure 2A ) or the second state M2 (illustrated in Figure 2B ). Similarly, actuator 150 is connected to input portion 142 adjacent to the upper side El of main body 110, but is not limited thereto. User can choose the appropriate setting mode according to their needs.

[0076] Figure 6A is a schematic view of a display device according to another embodiment of the present application. Figure 6B is a sectional view of the display device of Figure 6A . Figure 6C is a schematic view of part of the elements of the display device of Figure 6A , here reflector 130c and connecting member 140 are illustrated. Figure 6B is a sectional view of the display device of Figure 6AA cross-sectional view of line A2. Figure 6B The structure is only schematic and some components (e.g., linkage 140) are omitted to illustrate the relationship between the reflector 130c and the body 110c. Figure 6A The display device 100c of the illustrated embodiment and Figure 1A The embodiments shown are similar, the difference being that, Figure 6A The reflector 130c in the illustrated embodiment is arc-shaped. The material of the reflector 130c includes elastic materials (such as silicone, rubber, or other similar materials). Specifically, as... Figure 6B and Figure 6C As shown, the reflector 130c has a ring structure, and one end of the reflector 130c is fixed to the output part 144 of the linkage 140. When the output part 144 is driven to rotate by the input part 142, the reflector 130c, which is made of elastic material, can be twisted, so that the reflector 130c is in the first state M1 (shown in Figure 140). Figure 2A ) and the second state M2 (drawn in Figure 2B Switching between ( ) and ( ). Here, the shape of the light-transmitting area 114c of the light source 120c, the limiting member 170c, and the main body 110c is annular, corresponding to the arrangement of the reflector 130c. Since the reflector 130c in this embodiment is made of a soft, elastic material, the limiting member 170c has a more pronounced effect, effectively maintaining the shape and position of the reflector 130c. In addition, the display device 100c of this embodiment has similar functions to the above embodiments, and will not be described again here.

[0077] Figure 7 This is a schematic diagram of a display device according to another embodiment of the present invention. Figure 7 The display device 100d of the illustrated embodiment and Figure 1A The embodiments shown are similar, the difference being that, Figure 7 In the illustrated embodiment, the light-transmitting area 114d is inclined relative to the upper side E1 of the main body 110d. One end of the light-transmitting area 114d is adjacent to the upper side E1, and the other end is away from the upper side E1. Since the arrangement of the light-transmitting area 114d corresponds to the light source and reflector, it can be seen that the light source and reflector of the display device 100d are also inclined relative to the upper side E1 of the main body 110d. The display device 100d of this embodiment has the same function as the above embodiment, and will not be described again here.

[0078] Figure 8 This is a schematic diagram of a display device according to another embodiment of the present invention. Figure 8 The display device 100e of the illustrated embodiment and Figure 6A The embodiments shown are similar, the difference being that, Figure 8The main body 110e of the embodiment shown has two semi-annular light-transmissive regions 114e. In other words, the display device 100e includes two light sources 120 and two reflectors 130c corresponding to the two semi-annular light-transmissive regions 114e. The two semi-annular light-transmissive regions 114e are arranged opposite to each other to approximate an annular shape. The display device 100e of the embodiment has the same functions as the above-mentioned embodiments, and thus will not be described again.

[0079] In other embodiments, the user can design the light-transmissive regions 114a, 114c, 114d, 114e to have other shapes and be arranged at other positions according to the user's needs, and the light sources 120, 120c and the reflectors 130, 130c are correspondingly arranged, which is not limited in the present application.

[0080] In summary, the decorative lamp of the display device of the present application is adapted to switch between different light-emitting modes through the first reflecting surface and the second reflecting surface of the reflector. The first reflecting surface is a plane or a curved surface with high reflectivity, and the second reflecting surface has a microstructure that changes the reflectivity, so that the haze of the second reflecting surface is greater than that of the first reflecting surface. In the first state, the first reflecting surface faces the light source to reflect the light of the light source, and the light rays reflected by the first reflecting surface are more concentrated, at which time the decorative lamp is directional light emission. In the second state, the second reflecting surface faces the light source to reflect the light of the light source, and the light rays reflected by the first reflecting surface are more uniform, at which time the decorative lamp is diffuse light emission. Thus, the decorative lamp of the display device has two light-emitting modes (directional light emission and diffuse light emission) to meet the user's needs for different light modes. In addition, in the first state, the light rays of the decorative lamp can be projected to the background equipment (for example, a wall) and reflected to appear in front of the user. When the light-emitting angle is fixed, the background equipment is too close or too far from the main body, which will result in poor reflection effect. Therefore, in the first state, the reflector is also adapted to change its reflection angle through the linkage member, thereby changing the light-emitting angle. Thus, the light-emitting angle of the decorative lamp can be adjusted to the angle most suitable for the reflection of the background equipment, so that the setting position of the display device is not limited by the environment, thereby improving the application field of the display device.

[0081] Although the present application is disclosed by the above embodiments, it is not intended to limit the present application, and any person skilled in the art can make some changes and modifications without departing from the spirit and scope of the present application. Therefore, the protection scope of the present application should be defined by the appended claims.

Claims

1. A display device, comprising: a main body; a light source disposed in the main body; and a reflector rotatably disposed in the main body, wherein the reflector has a first reflecting surface and a second reflecting surface, the first reflecting surface has a higher reflectivity than the second reflecting surface, the reflector is adapted to rotate to a first state so that the first reflecting surface faces the light source to reflect light from the light source out of the main body, the reflector is adapted to rotate to a second state so that the second reflecting surface faces the light source to reflect light from the light source out of the main body, wherein the main body has a display surface facing a front of the display device, the first reflecting surface and the second reflecting surface are adapted to reflect light from the light source to a back of the display device, and the main body has a light-transmitting region through which light reflected by the first reflecting surface and the second reflecting surface is transmitted out of the main body.

2. The display device of claim 1, wherein the second reflecting surface has a higher haze than the first reflecting surface.

3. The display device of claim 1, wherein the second reflecting surface has a microstructure.

4. The display device of claim 1, wherein the first reflecting surface is planar or curved.

5. The display device of claim 1, further comprising a linkage, wherein the linkage is disposed in the main body and has an input portion and an output portion, the output portion is connected to the reflector and moves in conjunction with the input portion, and the input portion is adapted to be rotated by a force to drive the output portion to rotate the reflector to the first state or the second state.

6. The display device of claim 5, wherein an axis of rotation of the input portion is parallel or perpendicular to an axis of rotation of the output portion.

7. The display device of claim 5, wherein the linkage is a universal joint.

8. The display device of claim 5, further comprising an actuator, wherein the actuator is disposed in the main body and connected to the input portion, and the actuator is adapted to drive the input portion to rotate.

9. The display device of claim 5, further comprising a knob, wherein the knob is disposed in the main body and connected to the input portion, the knob is exposed to the outside of the main body, and the knob is adapted to be rotated by a force to drive the input portion to rotate.

10. The display device of claim 1, wherein the reflector is arc-shaped or linear.

11. The display device of claim 1, wherein a material of the reflector comprises an elastic material.

12. The display device of claim 1, further comprising a stopper, wherein the stopper is disposed in the main body, and the reflector is rotatably disposed in the stopper.

13. The display device of claim 12, wherein the reflector has a convex arc surface, the stopper has a concave arc surface, the convex arc surface and the concave arc surface face each other, and a center of curvature of the concave arc surface and a center of curvature of the convex arc surface are the same and located on an axis of rotation of the reflector. ​

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