TW202141119A - Head-mounted display - Google Patents

Abstract

A head-mounted display includes a casing and two display assemblies carried by the casing. Each of the display assemblies includes a base, a housing, a lens, a motor, a screw rod, a display and a guiding structure. The housing is fixed to the base and has an assembling opening opposite to the base. The lens is assembled in the assembling opening. The motor is disposed at the base. The screw rod is coupled to the motor and located between the base and the lens. The display is movably disposed between the base and the lens, wherein the display includes a panel and a driven portion connected to the panel and the screw rod is coupled to the driven portion. The guiding structure is disposed between the base and the lens and configured to determine a moving direction of the display.

Description

Head-mounted display device

The present invention relates to a display device, and more particularly to a head-mounted display device.

Head-mounted display devices are currently the most widely used virtual reality equipment. Users need to wear them on their heads and make the display screen close to the eyes, so that the images of the three-dimensional virtual scene can be directly presented in front of the eyes, thus in the virtual reality. Get a better sense of presence during the experience.

Since different users have different vision conditions, common head-mounted display devices integrate an object distance adjustment mechanism to allow users to adjust the distance between the display and the lens according to the individual's vision, so as to obtain good imaging quality And visual experience. Generally speaking, most of the object distance adjustment mechanisms applied to head-mounted display devices are manual adjustment mechanisms. The user can move the gear set with fingers to drive the display to move closer to or move away from the lens through the cooperation of the gear set and the display. However, it is more inconvenient for the user to adjust the object distance manually.

The present invention provides a head-mounted display device, which has excellent operation convenience.

The head-mounted display device of the present invention includes a casing and two display components carried by the casing. Each display component includes a base, a housing, a lens, a motor, a screw, a display, and a guide structure. The shell is fixed to the base and has an installation opening relative to the base. The lens is installed in the installation opening. The motor is arranged on the base. The screw is coupled to the motor and is located between the base and the lens. The display is movably arranged between the base and the lens, wherein the display includes a display panel and a driven part connected to the display panel, and the screw is coupled to the driven part. The guiding structure is arranged between the base and the lens to determine the moving direction of the display.

Based on the above, the position of the display in the head-mounted display device of the present invention can be adjusted by an automatic adjustment mechanism to meet the eyesight needs of different users, so it has excellent operating convenience.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail in conjunction with the accompanying drawings.

FIG. 1 is a schematic diagram of a head-mounted display device according to an embodiment of the present invention. Fig. 2 is a schematic diagram of the two display components of Fig. 1. FIG. 3 is a schematic diagram of the internal structure of one of the display components of FIG. 2. It should be noted that the housing 122 in FIG. 3 is drawn with a dotted line to clearly show the internal structure of the display assembly 120. Please refer to FIGS. 1 to 3. In this embodiment, the head-mounted display device 100 includes a casing 110 and two display components 120, and the two display components 120 are carried by the casing 110. Specifically, each display component 120 integrates an automatic adjustment mechanism to adjust the position of the display 126, so it has excellent operating convenience. Furthermore, the user can activate the automatic adjustment mechanism through the corresponding actuation switch according to the individual's vision condition to adjust the distance between the display 126 and the lens 123, so as to obtain a good imaging quality and visual experience.

As shown in FIG. 3, each display assembly 120 includes a base 121, a housing 122, a lens 123, a motor 124, a screw 125, a display 126, and a guiding structure 127. The housing 122 is fixed to the base 121 and is used to house the lens. 123, a screw 125, a display 126, and a guiding structure 127. Furthermore, the lens 123 and the base 121 are respectively disposed on opposite sides of the housing 122, wherein the housing 122 has a mounting opening 122a relative to the base 121 for mounting the lens 123 therein. On the other hand, the motor 124 is disposed on the base 121, the screw 125 is coupled to the motor 124, and the screw 125 is located between the base 121 and the lens 123. The screw 125 is disposed in the housing 122 and extends from the base 121 toward the side where the installation opening 122a is located along the extension direction D1.

The display 126 is disposed in the housing 122 and is movably disposed between the base 121 and the lens 123. In this embodiment, the display 126 includes a display panel 126a and a driven portion 126b connected to the display panel 126a, wherein the screw 125 passes through the driven portion 126b, and the driven portion 126b has an inner thread coupled with the outer thread of the screw 125 Thread. When the motor 124 is activated to drive the screw 125 to rotate, the driven portion 126b is driven by the screw 125 to move the display 126 between the base 121 and the lens 123, so as to achieve the purpose of automatically adjusting the display 126 and the lens 123. On the other hand, the moving direction MD of the display 126 has been roughly determined by the extending direction D1 of the screw 125, that is, the moving direction MD of the display 126 is parallel to the extending direction D1 of the screw 125.

In order to prevent the display 126 from shaking when being driven by the screw 125, and to establish the parallelism between the moving direction MD of the display 126 and the extending direction D1 of the screw 125 more. A guiding structure 127 is provided between the base 121 and the lens 123. The guiding structure 127 includes a guide rail 1271 and a guide wheel 1272 slidably disposed on the guide rail 1271, and the guide wheel 127 is disposed on the side of the display panel 126a. On the other hand, the guide rail 1271 is disposed on the wall surface of the housing 122, wherein the guide rail 1271 is located between the base 121 and the lens 123, and the extending direction D2 of the guide rail 1271 is parallel to the extending direction D1 of the screw 125.

The guide rails 1271 and the guide wheels 1272 are arranged in a group, and the number is at least two groups. One of the guide rails 1271 and the guide wheels 1272 are respectively disposed on the first wall 122b of the housing 122 and the first side 126c of the display panel 126a, and The first wall 122b and the first side 126c face each other. Another set of guide rails 1271 and guide wheels 1272 are respectively disposed on the second wall 122c of the housing 122 and the second side 126d of the display panel 126a, and the second wall 122c and the second side 126d face each other. As shown in FIG. 3, the first wall surface 122b is opposite to the second wall surface 122c, and the first side edge 126c is opposite to the second side edge 126d. On the other hand, the driven portion 126b is located on the third side 126e of the display panel 126a, and the third side 126e is located between the first side 126c and the second side 126d. The two sets of guide rails 1271 and the guide wheels 1272 are respectively located on opposite sides of the display panel 126a, wherein the screw rod 125 extends above the third side 126e of the display panel 126a and is located between the two sets of guide rails 1271 and the guide wheels 1272.

Accordingly, during the movement of the display 126, the two sets of guide rails 1271 and the guide wheels 1272 can not only be used to establish the moving direction MD of the display 126, but also can prevent the display 126 from shaking when being driven by the screw 125. Secondly, based on the cooperation of the guide rail 1271 and the guide wheel 1272, it is helpful to improve the smoothness of the movement of the display 126 in the housing 122. It should be noted that the number of sets of the guide rail 1271 and the guide wheel 1272 can be adjusted according to actual needs, and is not limited to that disclosed in this embodiment.

3, in this embodiment, each display assembly 120 further includes a support 128, which is fixed in the housing 122 and corresponds to the third side 126e of the display panel 126a. The supporting member 128 is located between the base 121 and the lens 123, and the screw rod 125 passes through the supporting member 128. The support 128 can be used to support the screw 125 to prevent the screw 125 from deflecting. Further, the support 128 of each display assembly 120 includes a first limiting portion 128a and a second limiting portion 128b opposite to the first limiting portion 128a, wherein the driven portion 126b is located between the first limiting portion 128a and the second limiting portion 128b. Between the second limiting portions 128b, and the screw rod 125 passes through the first limiting portion 128a and the second limiting portion 128b. Therefore, the first limiting portion 128a and the second limiting portion 128b can be used to prevent the driven portion 126b from slipping off the screw 125.

On the other hand, the base 121 of each display assembly 120 has a through hole 121a, and the first limiting portion 128a of the support member 128 faces the through hole 121a. A part of the motor 124 (the part is provided with the output shaft of the motor 124) is located in the through hole 121 a and abuts the first limiting portion 128 a, and one end of the screw 125 passes through the first limiting portion 128 a to be coupled to the motor 124.

4 is a schematic diagram of the internal structure of a display assembly according to another embodiment of the present invention. It should be noted that the housing 122 of FIG. 4 is drawn with a dotted line to clearly show the internal structure of the display assembly 120A. Please refer to FIG. 4, the main difference between the display assembly 120A of this embodiment and the display assembly 120 of the previous embodiment lies in the type of guiding structure. In this embodiment, the guiding structure 127a includes a guiding portion 1273 and a guiding rod 1274 passing through the guiding portion 1273, wherein the guiding portion 1273 is connected to the third side 126e of the display panel 126a, and the guiding rod 1274 extends Pass above the third side 126e of the display panel 126a. Furthermore, the guiding rod 1274 is connected to the base 121, wherein the guiding rod 1274 is located between the base 121 and the lens 123, and the extending direction D3 of the guiding rod 1274 is parallel to the extending direction D1 of the screw 125.

The guiding portion 1273 and the guiding rod 1274 are arranged in a group, and the number is at least two groups. The screw rod 125 is located between the two sets of guiding parts 1273 and the guiding rod 1274. During the movement of the display 126, the two sets of guiding parts 1273 and the guiding rod 1274 can not only be used to establish the moving direction MD of the display 126, but also It can also prevent the display 126 from shaking when being driven by the screw 125. Secondly, based on the cooperation of the guiding portion 1273 and the guiding rod 1274, it is helpful to improve the smoothness of the movement of the display 126 in the housing 122. It should be noted that the number of groups of the guide portion 1273 and the guide rod 1274 can be adjusted according to actual needs, and is not limited to that disclosed in this embodiment.

FIG. 5 is a schematic diagram of the internal structure of a display assembly according to another embodiment of the present invention. It should be noted that the housing 122 of FIG. 5 is drawn with a dotted line to clearly show the internal structure of the display assembly 120B. Please refer to FIG. 5, the display assembly 120B of this embodiment integrates the guiding structures 127, 127a of the above-mentioned embodiment, and the structure configuration and design principle can be referred to the description of the above-mentioned embodiment, and will not be repeated.

In summary, the position of the display in the head-mounted display device of the present invention can be adjusted by an automatic adjustment mechanism to meet the eyesight needs of different users, so it has excellent operating convenience. Furthermore, the automatic adjustment mechanism can use a combination of a motor and a screw to drive the display to adjust the distance between the display and the lens.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be subject to those defined by the attached patent scope.

100: Head-mounted display device 110: Chassis 120, 120A, 120B: display components 121: Base 121a: perforation 122: shell 122a: Installation opening 122b: The first wall 122c: second wall 123: lens 124: Motor 125: Screw 126: display 126a: display panel 126b: driven part 126c: first side 126d: second side 126e: third side 127, 127a: Guiding structure 1271: Rail 1272: Guide wheel 1273: Guiding Department 1274: guide rod 128: Support 128a: The first limit part 128b: The second limit part D1~D3: Extension direction MD: moving direction

FIG. 1 is a schematic diagram of a head-mounted display device according to an embodiment of the present invention. Fig. 2 is a schematic diagram of the two display components of Fig. 1. FIG. 3 is a schematic diagram of the internal structure of one of the display components of FIG. 2. 4 is a schematic diagram of the internal structure of a display assembly according to another embodiment of the present invention. FIG. 5 is a schematic diagram of the internal structure of a display assembly according to another embodiment of the present invention.

100: Head-mounted display device

110: Chassis

120: display component

123: lens

Claims (10)

A head-mounted display device includes: Chassis; and Two display components, carried by the casing, each of the display components includes: Base The housing is fixed to the base and has an installation opening relative to the base; Lens, installed in the installation opening; The motor is arranged on the base; A screw, coupled to the motor, and located between the base and the lens; A display is movably disposed between the base and the lens, wherein the display includes a display panel and a driven part connected to the display panel, and the screw is coupled to the driven part; and The guiding structure is arranged between the base and the lens to determine the moving direction of the display. According to the head-mounted display device described in claim 1, wherein each of the display components further includes a support, which is fixed in the housing and is located between the base and the lens, and the screw thread passes through the support Pieces. According to the head-mounted display device described in item 2 of the scope of patent application, wherein the supporting member of each of the display components includes a first limiting portion and a second limiting portion opposite to the first limiting portion, and the slave The moving portion is located between the first limiting portion and the second limiting portion, and the screw thread passes through the first limiting portion and the second limiting portion. According to the head-mounted display device described in item 3 of the scope of patent application, the base of each display assembly has a perforation, and the first limiting portion faces the perforation, and a part of the motor is located in the perforation and is in contact with the perforation. The first limiting portion abuts, and one end of the screw passes through the first limiting portion to be coupled to the motor. According to the head-mounted display device described in claim 1, wherein the guiding structure of each of the display components includes a guiding portion and a guiding rod passing through the guiding portion, and the guiding portion is connected to the On the side of the display panel, the guide rod is connected to the base and is located between the base and the lens. According to the head-mounted display device described in item 5 of the scope of patent application, the extending direction of the guiding rod of the guiding structure of each of the display components is parallel to the extending direction of the screw. According to the head-mounted display device described in item 6 of the scope of patent application, the number of the guiding part of the guiding structure of each of the display components is two, and the number of the guiding rod is two, each A guiding part and a guiding rod are arranged in a group, and the screw is located between the two guiding parts and the guiding rod. In the head-mounted display device described in claim 1, wherein the guiding structure of each of the display components includes a guide rail and a guide wheel slidably disposed on the guide rail, and the guide wheel is arranged on the side of the display panel, The guide rail is arranged on the wall surface of the casing and located between the base and the lens. According to the head-mounted display device described in item 8 of the scope of patent application, the extending direction of the guide rail of the guiding structure of each of the display components is parallel to the extending direction of the screw. According to the head-mounted display device described in item 9 of the scope of patent application, the number of the guide wheels of the guide structure of each of the display components is at least two, and the number of the guide rails is at least two, and the two The guide wheels are respectively arranged on opposite sides of the display panel, and the two guide rails are respectively arranged on two opposite wall surfaces of the housing, each guide wheel is arranged in a group with a guide rail, and the screw is located in the two sets of guides Between the wheel and the guide rail.

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