TWI723253B - Display system - Google Patents

Abstract

A display system applied in a vehicle includes a display unit and a seat unit. The display unit is used for generating images. The seat unit has at least a first mode and a second mode and includes a seat portion, a displacing mechanism and an optical element. The optical element is connected to the displacing mechanism and the displacing mechanism may move the optical element to different positions. In the first mode, the optical element is disposed at a first position which is in the field of view of the user seating on the seat portion. The user may observe the images from the display unit through the optical element. In the second mode, the optical element is disposed at a second position out of the field of view of the user. The displacing mechanism may move the optical element to the first position or the second position.

Description

display system

The present invention relates to a display system, in particular to a display system with multiple modes of optical elements and seat parts.

With the development of display technology, people have more and more demands for the use of displays. At present, a large number of displays have been used in computers, communication devices, and electronic or mechanical equipment, and are further used in transportation tools to provide information and images to enhance the convenience and entertainment of people's lives. When the display is used in a transportation tool such as a car, it is necessary to consider the convenience and comfort of the user viewing the display, and the additional functions of the display in the transportation tool have not been developed too much. Therefore, the setting and application of the display in the transportation tool still have great room for development.

One of the main objectives of the present invention is to provide a display system installed in a transportation tool, which includes a display unit and a seat unit. The display unit is used for generating images, and the seat unit has at least a first mode and a second mode, and includes a seat for the user to sit on, a displacement mechanism, and an optical element connected to the displacement mechanism. The displacement mechanism can move the optical element to different positions. In the first mode, the optical element is located in a first position, and the first position is located in the field of vision of the user sitting on the seat, so that the user can view the image generated by the display unit through the optical element. In the second mode, the optical element is located at the second position, and the second position is outside the user’s field of view, The displacement mechanism can move the optical element to at least the first position or the second position.

100: display system

102: display device

104: screen

106: Seat

106a: headrest

1061: Storage Department

1063: storage space

108: Displacement mechanism

110: optical components

112: Sliding mechanism

112a: Sliding parts

114: Transportation

116: Surface

DU: display unit

FOV: field of view

L1, L2: connection length

P1: first position

P2: second position

SU: Seat unit

US: User

Figure 1 is a schematic diagram of the first embodiment of the display system of the present invention.

Figure 2 is a schematic diagram of the display system of the present invention applied to transportation vehicles.

Figure 3 is an enlarged schematic diagram of the displacement mechanism of the display system of the present invention.

Figure 4 is a partial enlarged schematic diagram of the display system of the present invention.

Figure 5 is a partial schematic diagram of the second embodiment of the display system of the present invention.

Figure 6 is a partial schematic diagram of the third embodiment of the display system of the present invention.

Figure 7 is a schematic diagram of the fourth embodiment of the display system of the present invention applied to a transportation vehicle.

The present invention will be further described below in conjunction with the drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention, but the examples cited are not intended to limit the present invention.

Please refer to FIGS. 1 to 4, according to a first embodiment of the present invention, the present invention provides a display system 100 installed in a transportation tool 114. The transportation 114 in this embodiment is an automobile, but it is not limited thereto. According to the first embodiment of the present invention, the display system 100 includes a display unit DU and a seat unit SU. The display unit DU includes a display device 102 arranged at any position in the vehicle 114, such as a head-up display device or other display device on the front side of the driver, or a display device on the back of the front seat, but not limited to this. In this embodiment, the display unit DU includes, for example, a display device 102, and the display device 102 further includes a screen 104 for displaying images. The display device 102 may include persons with general knowledge in the field Any well-known display device, such as a non-self-luminous display, a self-luminous display, or a projection display, etc., but is not limited thereto. For example, non-self-luminous displays include thin film transistor liquid crystal displays (TFT-LCDs), and self-luminous displays include inorganic light-emitting diode displays (LED) and organic light-emitting diode displays (organic light-emitting diode displays). emitting diode display, OLED). The above-mentioned display method can also be combined with stereoscopic display technology, augmented reality (AR), virtual reality (virtual reality, VR) and other technologies to further meet the user's demand for image information.

The seat unit SU includes a seat portion 106, a displacement mechanism 108, and an optical element 110. The seat portion 106 is used for the user to sit on, wherein the seat portion 106 is any device for the user US to ride on, such as hard or soft chairs and sofas, but not limited thereto. The seat portion 106 may include a bearing seat and an optional seat back, wherein the bearing seat is a part for the user US to sit on, and the seat back can support the back of the user US. In addition, the seat portion 106 may optionally provide a backrest, a headrest and an armrest, or other suitable components. The seat portion 106 of this embodiment includes a headrest 106a to provide support for the user's head. The seat unit SU may be a driver's seat of the vehicle 114 (for example, a car) or another seat in the vehicle 114. For example, the seat portion 106 is a car driver's seat, and the car driver's seat has a headrest 106a. In addition, the headrest 106 a of the present invention is used as the storage portion 1061 of the seat unit SU, wherein the storage portion 1061 has a storage space 1063. For example, when the user US rides on the seat portion 106, the outer surface of the storage portion 1061 of the headrest 106a will directly contact the head of the user US, and the storage space 1063 of the storage portion 1061 can be used to accommodate the displacement mechanism 108 and optical element 110. The displacement mechanism 108 may be connected or not connected to the seat portion 106, and the optical element 110 is connected to the displacement mechanism 108, and the seat unit SU can move the optical element 110 to different positions by the displacement mechanism 108. For example, one end of the displacement mechanism 108 is connected to the optical element 110, and the other end of the displacement mechanism 108 is, for example, connected to the seat portion 106, but it is not limited to this. The displacement mechanism 108 may include one of a rotating mechanism, a sliding mechanism, and a folding mechanism or any combination of the foregoing. In this embodiment, the displacement mechanism 108 is exemplified as having a sliding mechanism 112, wherein the sliding mechanism 112 has at least two sliding mechanisms connected to each other. The component 112a, the sliding component 112a may have elements such as slide rails, slide rails, etc., and the overlapping length of the two sliding components 112a can be changed by sliding, thereby changing the length of the displacement mechanism 108 and thus the position of the optical element 110.

According to the present invention, the seat unit SU has at least a first mode and a second mode, and its use mode can be changed according to the needs of the user US. As shown in Figures 1 and 3, in the first mode, the optical element is located at the first position P1, and the first position P1 is defined as the position within the FOV of the user US sitting on the seat, so that The user US can view the image generated by the screen 104 in the display unit DU through the optical element 110. The optical element 110 is used to enhance the comfort level of the user US viewing the image of the display unit DU. For example, the optical element 110 includes at least one Fresnel lens to reduce or enlarge the image and adjust or change the imaging position of the image viewed by the user US, but it is not limited to this. In other words, the user US can view the resized image through the optical element 110. In this embodiment, when the seat unit SU is in the first mode, the overlapping length between the two sliding parts 112a of the displacement mechanism 108 is the shortest. Therefore, the displacement mechanism 108 has the longest connection length L1, but this is not the case. limit.

As shown in Figure 4, in the second mode, the optical element 106 is located at the second position P2, and the second position P2 is located outside the FOV of the user US's field of view. For example, the second position P2 in this embodiment is located in the storage In the space 1063, that is, in the second mode, the optical element 110 is stored in the storage space 1063, and the sliding parts 112a can also be superimposed on each other and stored in the storage space 1063. At this time, the sliding parts 112a have the smallest The connection length L2 is smaller than the connection length L1 in the first mode. In order to clearly show the objects in the storage space 1063, Figure 4 shows the optical element 110 and the sliding member 112a in solid lines.

It can be seen from the above that the displacement mechanism 108 can move the optical element 110 to the aforementioned first position P1 or the second position P2 according to the needs of the user US. The first mode of the seat unit SU can be regarded as the display system 100 When the user US needs to use the optical element 110 to view the image of the display device 102, he can switch the seat unit SU to the first mode, and use the displacement mechanism 108 to move the optical element 110 to the user’s US Within the FOV of the field of view. On the other hand, the second mode can be regarded as the standby mode. When the optical element 110 is not needed, the seat unit SU can be switched to the second mode, and the optical element 110 is moved to the user US's field of view FOV by the displacement mechanism 108 In addition, for example, in the storage space 1063 of this embodiment. It should be noted that in other modified embodiments, the second position to P2 are not limited to be in the seat unit SU, and may be any suitable position near the seat unit SU, or in other storage units. It can be seen from the above that the optical element 110 of the present invention can improve the user's comfort level when viewing the image of the display unit DU. For example, the optical element 110 can be used to enlarge the image size or adjust the imaging position. Or the location of the display unit DU is limited, and the user US can still have a better user experience by using the optical element 110.

Please refer to Figures 5 and 6, according to the present invention, the second position P2 or the storage space 1063 is not limited to be provided in the headrest 1063, and can also be provided in any part of the seat unit SU, such as in the fifth In the second embodiment of the present invention shown in the figure, the storage space 1063 (shown in dashed lines) can be provided inside the bearing seat of the seat portion 106, while in the third embodiment of the present invention shown in Figure 6, the storage space 1063 can be provided in The interior of the seat back of the seat portion 106. In other embodiments of the present invention, the storage space 1063 may also be provided in other parts of the seat portion 106, such as armrests or other suitable parts. Further, the embodiment of the present invention includes any configuration in which the space of the seat portion 106 and the storage space 1063 are partially or completely overlapped to reduce the volume of the seat unit SU in the second mode. However, in other modified embodiments, the second position P2 may be any position outside the FOV of the user US, and is not limited to being provided in the seat portion 106, that is, the second position P2 may be located in the seat portion 106 It is located outside and located in other locations or other components in the vehicle 114.

Please refer to Fig. 7 for the fourth embodiment of the present invention. In this embodiment, the display device 102 is a projection device that can project images on a surface 116 outside the projection device, and the surface 116 includes one of a sunroof, a car window, and a screen of the vehicle 114, such as a car sunroof. The position is covered on a screen, but it is not limited to this. In this embodiment, the user US views the image on the surface 116 through the optical element 110, and the optical element 110 can change the imaging position of the image viewed by the user US. In addition, the user US can also view the resized image through the optical element 110. Thereby, the optical element 110 of the present invention can improve the comfort level of the user US watching the image of the display unit DU. In other words, the present invention can improve the problem that the internal space of the transportation 114 is narrow, the distance from the projection device to the projected image is too short, or the display unit DU is not installed in a good position, which is not conducive to the user US viewing the image.

In addition, in other embodiments of the present invention, the display system 100 may include a plurality of seat portions 106 or seat units SU. In addition, the displacement mechanism 108 may not be connected to the seat 106 on which the user US sits. For example, a user US riding on one of the seat portions 106 of the display system 100 of the present invention can use the displacement mechanism 108 and the optical element 110 provided on the other seat portion 106, namely the storage portion 1061 (with storage space 1063) It is arranged in the above-mentioned other seat portion 106 to accommodate the displacement mechanism 108 and the optical element 110. For example, when the transportation 114 is a car, the user US can ride on the rear seat 106 of the car, and one end of the displacement mechanism 108 used is connected to the front seat 106 of the car and the other end is connected to the front seat 106 of the car. The optical element 110 allows the user US sitting in the rear seat 106 of the car to view the image generated by the display unit DU through the optical element 110 connected to one end of the displacement mechanism 108 of the front seat 106 of the car.

In addition, in some embodiments of the present invention, the display system 100 can only allow the seat unit SU to operate in the first mode and activate an image playback function when the vehicle 114 is in the non-manual driving mode or in a stationary state. But it is not limited to this. For example, when the transport 114 starts automatically When the driving mode or the gear lever of the vehicle 114 is in the parking gear, the seat unit SU of the display system 100 can provide the above-mentioned first mode, and can activate the video playback function at the same time, so that the user sitting on the seat 106 The US can view the image generated by the display unit DU through the optical element 110. In other words, when the user US is operating and driving the vehicle 114, based on safety considerations, the opportunity for the user US to use the display system 100 of the present invention can be selectively restricted, but it is not limited to this. In some modified embodiments of the present invention, when the vehicle 114 is in the manual driving mode, if the user US riding on the seat portion 106 is not driving for the operation of the vehicle 114, the seat unit SU of the display system 100 is still The above-mentioned first mode can be provided, so that the user US who is not driving the vehicle 114 can view the image generated by the display unit DU through the optical element 110.

In summary, the display system of the present invention is applied to transportation vehicles, and the seat unit is used to provide the first mode and the second mode. The optical elements of the seat unit in the first mode can be matched with the display unit to provide the user with a better degree of comfort for viewing images. The seat unit in the second mode can change the position of the optical element by reducing its volume by the displacement mechanism, so as to provide the user with better space freedom and comfort in a narrow transportation tool. Moreover, the display system of the present invention can be changed between the first mode and the second mode according to the needs of the user.

The foregoing descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made in accordance with the scope of the patent application of the present invention should fall within the scope of the present invention.

100: display system

102: display device

104: screen

106: Seat

106a: headrest

108: Displacement mechanism

110: optical components

DU: display unit

FOV: field of view

P1: first position

SU: Seat unit

US: User

Claims (9)

A display system, which is set in a transportation tool, includes: a display unit for generating an image; and a seat unit with at least a first mode and a second mode, and the display system includes: a seat A chair part for a user to sit on; a displacement mechanism; an optical element connected to the displacement mechanism, the displacement mechanism can move the optical element to different positions; and a storage part having a storage space, wherein The receiving portion is a headrest; wherein in the first mode, the optical element is located in a first position, and the first position is located in the field of vision of the user sitting on the seat portion, so that the user can The image generated by the display unit is viewed through the optical element. In the second mode, the optical element is located at a second position, and the second position is outside the user’s field of view and located in the storage space. The displacement mechanism can move the optical element to at least the first position or the second position, wherein in the second mode, the displacement mechanism and the optical element are both stored in the storage space. The display system according to claim 1, wherein the displacement mechanism includes one or any combination of a rotating mechanism, a sliding mechanism, and a folding mechanism. The display system according to claim 1, wherein the display unit includes a projection device capable of projecting the image on a surface outside the projection device. The display system according to claim 3, wherein the surface includes one of a daylight window of a vehicle, a vehicle window, and a screen. The display system according to claim 1, wherein the display unit includes a display device, and the display device includes a screen for displaying the image. The display system according to claim 1, wherein the optical element can change the imaging position of the image viewed by the user. The display system according to claim 1, wherein the user can view the image after being resized through the optical element. The display system according to claim 1, wherein the optical element includes at least one Fresnel lens. The display system according to claim 1, wherein the display system can activate an image playback function when the vehicle is in a non-manual driving mode or in a static state.

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