WO2019119416A1

WO2019119416A1 - Head-mounted display device

Info

Publication number: WO2019119416A1
Application number: PCT/CN2017/117997
Authority: WO
Inventors: 施宏艳
Original assignee: 深圳市柔宇科技有限公司
Priority date: 2017-12-22
Filing date: 2017-12-22
Publication date: 2019-06-27
Also published as: CN110720213A

Abstract

A head-mounted display device (1000). The head-mounted display device (1000) comprises a housing (100), a display screen (200), an optical system (300), a circuit element (400), and a heat-conducting component (500). The housing (100) comprises a first side (120) close to a user and a second side (140) opposite the first side (120). The display screen (200), the optical system (300), the circuit element (400), and the heat-conducting component (500) are all provided in the housing (100). A first end (520) of the heat-conducting component (500) is connected to at least one of the display screen (200), the optical system (300), or the circuit element (400). A second end (540) of the heat-conducting component (500) is provided at the first side (120). When a user uses the head-mounted display device (1000), the second end (540) of the heat-conducting component (500) corresponds to the eyes of the user.

Description

Head-mounted display device

Technical field

The present invention relates to the field of wearable devices, and in particular to a head mounted display device.

Background technique

As the functionality of the head mounted display device increases, the power consumption of the head mounted display device is also increasing. The high power consumption of the head-mounted display device makes the heat dissipation problem of the head-mounted display device more prominent, especially when the sealing eye-wear is worn to increase the immersion feeling, the heat of the head-mounted display device accumulates a lot, thereby seriously affecting the normal use of the head-mounted display device. .

Summary of the invention

Embodiments of the present invention provide a head mounted display device.

The present invention provides a head mounted display device comprising: a housing, a display screen, an optical system, a circuit component, and a heat conducting component, the housing including a first side adjacent to the user and a second side opposite the first side The display screen, the optical system, the circuit component, and the heat conducting component are each disposed within the housing, and a first end of the thermally conductive component is coupled to the display screen, the optical system, and the circuit At least one of the elements, the second end of the heat conducting member being disposed on the first side, the second end of the heat conducting member and the eye of the user when the user uses the head mounted display device correspond.

The head-mounted display device of the embodiment of the present invention transmits or radiates heat of at least one of the display screen, the optical system, and the circuit element to the eye of the user by using the heat-conducting member, thereby alleviating eye fatigue of the user and reducing the wearing of the eye Shows the accumulation of heat from the device.

The additional aspects and advantages of the embodiments of the present invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a schematic structural view of a head mounted display device according to an embodiment of the present invention;

2 is a schematic structural diagram of a head mounted display device according to another embodiment of the present invention;

3 is a schematic structural diagram of a head mounted display device according to still another embodiment of the present invention;

4 is a schematic structural diagram of a head mounted display device according to still another embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a head mounted display device according to still another embodiment of the present invention; FIG.

6 is a schematic structural view of a head mounted display device according to still another embodiment of the present invention.

The main component symbol drawing description:

Head-mounted display device 1000, housing 100, first side 120, second side 140, light-shielding goggle 160, display screen 200, display hyperthermal area 220, optical system 300, optical system hyperthermal area 320, circuit component 400, circuit components The high heat zone 420, the heat conduction member 500, the first end 520, the second end 540, the bonding portion 542, and the temperature detecting unit 600.

Detailed ways

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientations of "post", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the present invention and the simplified description, and is not intended to indicate or imply that the device or component referred to has a specific orientation, and is constructed and operated in a specific orientation. Therefore, it should not be construed as limiting the invention. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include one or more of the described features either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or connected in one piece. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium, which can be the internal communication of two elements or the interaction of two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

Referring to FIGS. 1-5, a head mounted display device 1000 of an embodiment of the present invention includes a housing 100, a display screen 200, an optical system 300, a circuit component 400, and a heat conducting component 500. The housing 100 includes a first side 120 that is adjacent to the user and a second side 140 that is opposite the first side 120. The display screen 200, the optical system 300, the circuit component 400, and the heat conductive member 500 are all disposed within the housing 100. The first end 520 of the thermally conductive component 500 connects at least one of the display screen 200, the optical system 300, and the circuit component 400. The second end 540 of the thermally conductive component 500 is disposed on the first side 120. When the user uses the head mounted display device 1000, the second end 540 of the thermally conductive member 500 corresponds to the eye portion of the user.

The head mounted display device 1000 of the embodiment of the present invention utilizes the heat conduction member 500 to conduct or radiate heat of at least one of the display screen 200, the optical system 300, and the circuit element 400 to the eyes of the user, thereby alleviating the eyes of the user. Fatigue and can reduce the accumulation of heat of the head mounted display device 1000.

Referring to FIG. 6 , in some embodiments, the housing 100 may include a light shielding eye cover 160 that completely seals the display screen 200, the optical system 300, and the circuit component 400 when the user uses the head mounted display device 1000, thereby The immersion is increased and the accumulation of heat of the display screen 200, the optical system 300, and the circuit component 400 is facilitated, thereby enabling the thermally conductive component 500 to conduct or radiate sufficient heat to the user's eyes.

In some embodiments, the display 200 can be a liquid crystal display or an Organic Light-Emitting Diode (OLED) display. The optical system 300 can include one or more lens groups for transmitting a picture displayed by the display screen 200, which is generally disposed between the second side of the housing 100 and the optical system 300. Circuit component 400 can include a circuit board and electronics (eg, capacitors, resistors, processors, etc.) disposed on the circuit board.

In some embodiments, the first end 520 of the thermally conductive component 500 is coupled to at least one of the display 200, the optical system 300, and the circuit component 400. It can be understood that the first end 520 is coupled to the display 200, or the first end 520. Connecting the optical system 300, or the first end 520 is connected to the circuit component, or the first end 520 is connected to the display screen 200 and the optical system 300, or the first end 520 is connected to the display screen 200 and the circuit component 400, or the first end 520 is connected to the optical system. 300 and circuit component 400, or first end 520, are coupled to display 200, optical system 300, and circuit component 400.

In some embodiments, when the user uses the head mounted display device 1000, the second end 540 of the thermally conductive member 500 corresponds to the eye of the user, it being understood that the second end 540 of the thermally conductive member 500 is disposed near the eye of the user. In particular, the second end 540 can be placed around the eye of the user, thereby avoiding the danger that the second end 540 may come into contact with the user's eyeball, and may not prevent the user from viewing the screen displayed by the display screen 200. In addition, the second end 540 can be disposed near the acupuncture points around the eyes of the user, so that the heat guided by the heat conduction member 500 can massage the relevant acupuncture points around the eyes of the user, improve the massage effect, and relieve the eye fatigue of the user to a greater extent. .

In some embodiments, the second end 540 of the thermally conductive component 500 can be in the form of a dot or a sheet. When the second end 540 of the heat conducting member 500 is in the shape of a dot, heat can be accurately transmitted to the acupuncture points around the eyes of the user. When the second end 540 of the heat conducting member 500 is in the form of a sheet, the head mounted display device 1000 can be made more suitable for different users.

In some embodiments, in order to reduce or avoid the thermal conduction component 500 from affecting the user viewing the display screen 200, the thermal conduction component 500 can be disposed away from the user's field of view, such as designing the thermal conduction component 500 to be curved, in the display area of the display screen 200. The heat conduction member 500 or the like is not provided. It is also possible to reduce the influence of the heat conducting member 500 on the user's field of view by reducing the number of heat conducting members 500.

Referring to FIG. 1, in certain embodiments, the second end 540 of the thermally conductive component 500 extends from the first side 120 and is spaced from the eye of the user.

As such, the second end 540 of the thermally conductive component 500 can be suspended and transferred to the user's eye using heat radiation.

In certain embodiments, the first side 120 of the housing 100 may be remote from the eye of the user, and in order to position the second end 540 of the thermally conductive member 500 proximate to the eye of the user, the second end 540 of the thermally conductive member 500 It may extend from the first side 120 of the housing 100 to shorten the distance between the second end 540 of the thermally conductive component 500 and the eye of the user, facilitating the second end 540 of the thermally conductive component 500 to transfer heat to the eye of the user. . To reduce the risk of contact of the second end 540 of the thermally conductive component 500 with the user's eyeball, the second end 540 extending from the first side 120 can be spaced from the user's eye. When the second end 540 of the thermally conductive component 500 is spaced from the eye of the user, the second end 540 of the thermally conductive component 500 primarily transfers heat to the eye of the user in the form of thermal radiation.

Referring to FIG. 2, in some embodiments, the second end 540 of the thermally conductive component 500 is completely received within the housing 100 and spaced from the eye of the user.

As such, the second end 540 of the thermally conductive component 500 can be received within the housing 100 and transfer heat to the user's eye using thermal radiation.

In some embodiments, the first side 120 of the housing 100 may be sufficiently close to the eye of the user that the second end 540 of the thermally conductive component 500 can be completely received within the housing 100 so as not to affect the thermally conductive component. In the case where the second end 540 of 500 transfers heat to the eyes of the user, manufacturing costs caused by unnecessarily increasing the heat conducting member 500 are avoided. In order to reduce the risk of contact between the second end 540 of the thermally conductive member 500 and the user's eyeball, the second end 540 that is completely received within the housing 100 can be spaced from the eye of the user. When the second end 540 of the thermally conductive component 500 is spaced from the eye of the user, the second end 540 of the thermally conductive component 500 primarily transfers heat to the eye of the user in the form of thermal radiation.

Referring to FIG. 3, in certain embodiments, the second end 540 of the thermally conductive component 500 extends from the first side 120 and conforms to the eye of the user.

As such, the second end 540 of the thermally conductive component 500 can be suspended and transferred to the user's eye using heat transfer.

In certain embodiments, the first side 120 of the housing 100 may be remote from the eye of the user, and in order to position the second end 540 of the thermally conductive member 500 proximate to the eye of the user, the second end 540 of the thermally conductive member 500 It may extend from the first side 120 of the housing 100 to shorten the distance between the second end 540 of the thermally conductive component 500 and the eye of the user, facilitating the second end 540 of the thermally conductive component 500 to transfer heat to the eye of the user. . To increase the efficiency with which the second end 540 of the thermally conductive component 500 transfers heat to the user's eye, the second end 540 extending from the first side 120 can conform to the user's eye. When the second end 540 of the thermally conductive component 500 conforms to the eye of the user, the second end 540 of the thermally conductive component 500 primarily transfers heat to the eye of the user in the form of heat conduction.

Referring to FIG. 4, in some embodiments, the second end 540 of the thermally conductive component 500 is completely received within the housing 100 and conforms to the eye of the user.

As such, the second end 540 of the thermally conductive component 500 can be received within the housing 100 and heat taken in the form of heat conduction The amount is delivered to the user's eye.

In some embodiments, the first side 120 of the housing 100 may be sufficiently close to the eye of the user that the second end 540 of the thermally conductive component 500 can be completely received within the housing 100 so as not to affect the thermally conductive component. In the case where the second end 540 of 500 transfers heat to the eyes of the user, manufacturing costs caused by unnecessarily increasing the heat conducting member 500 are avoided. In order to increase the efficiency with which the second end 540 of the thermally conductive member 500 transfers heat to the eye of the user, the second end 540 that is completely received within the housing 100 can conform to the eye of the user. When the second end 540 of the thermally conductive component 500 conforms to the eye of the user, the second end 540 of the thermally conductive component 500 primarily transfers heat to the eye of the user in the form of heat conduction.

In certain embodiments, the thermally conductive component 500 is spaced from the housing 100.

In this way, heat transfer member 500 can be reduced to transfer heat to the housing 100, thereby reducing heat loss.

Specifically, the first end 520 of the thermally conductive component 500 connects at least one of the display screen 200, the optical system 300, and the circuit component 400, and other portions of the thermally conductive component 500 are suspended, thereby spacing the thermally conductive component 500 from the housing 100.

Of course, in certain embodiments, the thermally conductive component 500 can also be in contact with the housing 100, such as by securing the thermally conductive component 500 with the first side 120 of the housing 100 such that the thermally conductive component 500 does not readily sway. Specifically, a through hole may be formed in the first side 120 of the housing 100 to fix or extend the second end 540 of the heat conducting member 500 in the through hole. In one embodiment, the shape of the thermally conductive component 500 is a cylinder, the cross section of the thermally conductive component 500 is circular, and a circular through hole is formed in the first side 120 of the housing 100, and the second end 540 of the thermally conductive component 500 is formed. It is fixed in or protrudes from the through hole. The heat conducting member 500 is in contact with the housing 100, and heat of the heat conducting member 500 can be transmitted to other positions of the user's head through the housing to achieve a massaging effect on other positions of the user's head.

Referring to FIGS. 1-5, in some embodiments, the second end 540 of the thermally conductive component 500 is formed with a conforming portion 542, the material of which includes a thin cotton material.

In this way, damage to the user caused by the heat conduction member 500 can be reduced, and when the heat conduction member 500 is attached to the eye portion of the user, the bonding portion 542 comes into elastic contact with the eye portion of the user.

In some embodiments, the abutment 542 can wrap the second end 540 of the thermally conductive component 500, thereby reducing the damage that the second end 540 of the thermally conductive component 500 can cause to the user's eye, the user's eye and the thermally conductive component. The touch is better when exposed to 500. The thin cotton material includes a pure cotton material, a silk cotton material and a sponge material, and the thin cotton material is relatively soft and elastic, and the fitting portion 542 formed by the thin cotton material is attached to the user to improve the user's comfort. Further, the heat transfer thinner material having a better heat conduction effect can be used to improve the heat transfer efficiency of the bonding portion 542.

Of course, the material of the bonding portion 542 may be other soft or elastic materials, such as a rubber material, and is not specifically limited herein.

In certain embodiments, the material of the thermally conductive component 500 includes graphene, carbon nanotubes, and thermal grease.

Thus, the heat conduction member 500 can be formed by using a material having a high heat transfer capability.

Referring to FIG. 5, in some embodiments, the display screen 200 includes a display hyperthermal zone 220, the first end 520 of the thermally conductive component 500 is coupled to the display hyperthermal zone 220; and/or the optical system 300 includes an optical system hyperthermal zone 320, The first end 520 of the thermally conductive component 500 is coupled to the optical system hyperthermal zone 320; and/or the circuit component 400 includes a circuit component hyperthermal zone 420 with the first end 520 of the thermally conductive component 500 coupled to the circuit component hyperthermal zone 420.

The head mounted display device 1000 of the present embodiment directly connects the high heat region (the display high temperature region 220, the optical system high heat region 320, and/or the circuit component high heat region 420) by using the first end 520 of the heat conduction member 500, as compared with the first The terminal 520 is directly connected to the low-heat zone except the high-heat zone, and the heat of the high-heat zone can be prevented from being transferred to the low-heat zone and then transferred to the heat-conducting component 500, thereby accelerating the heat accumulation of the heat-conducting component 500 and improving the heat transfer of the heat-conducting component 500. effectiveness.

Specifically, before the head mounted display device 1000 is used, the heat generation of the display screen 200, the optical system 300, and the circuit component 400 when the head mounted display device 1000 is in operation can be experimentally measured, for example, after the predetermined length of the head mounted display device 1000 is activated. The area where the display screen 200 has a higher temperature (for example, the temperature is greater than the first preset temperature) is divided into the display high-heat area 220, and the area where the optical system 300 has a higher temperature (for example, the temperature is greater than the second preset temperature) is divided into optical The system high-heat zone 320 divides a region where the temperature of the circuit component 400 is high (for example, the temperature is greater than the third preset temperature) into the circuit component high-heat zone 420, wherein the predetermined duration can be different according to requirements, the first preset temperature, The second preset temperature and the third preset temperature may also be different values according to requirements, and the first preset temperature, the second preset temperature, and the third preset temperature may be the same or different. In one embodiment, the predetermined duration is 20 minutes, and the first preset temperature, the second preset temperature, and the third preset temperature are both 40 degrees Celsius.

In some embodiments, the first end 520 of the thermally conductive component 500 is coupled to the display hyperthermal zone 220, or the first end 520 of the thermally conductive component 500 is coupled to the optical system hyperthermal zone 320, or the first end 520 of the thermally conductive component 500 is coupled to the circuit component The high temperature zone 420, or the first end 520 of the thermally conductive component 500, connects the display hyperthermal zone 220 and the optical system hypercaloric zone 320, or the first end 520 of the thermally conductive component 500 connects the display hypercaloric zone 220 with the circuit component hyperthermal zone 420, or heat conduction The first end 520 of the component 500 is coupled to the optical system hyperthermal zone 320 and the circuit component hyperthermal zone 420, or the first end 520 of the thermal conduction component 500 is coupled to the display hyperthermal zone 220, the optical system hyperthermal zone 320, and the circuit component hyperthermal zone 420.

In some embodiments, the thermally conductive component 500 includes a plurality, and the plurality of thermally conductive components 500 are coupled to at least one of the display screen 200, the optical system 300, and the circuit component 400.

As such, heat transfer can be performed using the plurality of heat conducting members 500 to improve heat transfer efficiency.

Specifically, the first end 520 of one of the heat conduction members 500 may connect only one connection region of the display screen 200, the optical system 300, or the circuit component 400 (eg, the display hyperthermal region 220, the optical system hyperthermal region 320, or the circuit component hyperthermal region 420). In this way, the structure of the heat conduction member 500 can be prevented from being complicated, and heat can be prevented from being connected from a plurality of connections. Pass between regions. When the display screen 200, the optical system 300, or the circuit component 400 has a plurality of connection regions, the plurality of connection regions can be connected by the plurality of heat conduction members 500, respectively.

Referring to FIGS. 1-5 , in some embodiments, the head mounted display device 1000 includes a temperature detecting unit 600 that can be used to detect the temperature of the second end 540 of the thermally conductive member 500 .

As such, the temperature of the second end 540 of the thermally conductive component 500 can be detected.

It can be understood that when the temperature of the second end 540 of the heat conduction member 500 is too high, a situation such as burns or discomfort of the user may occur, and thus the temperature of the second end 540 of the heat conduction member 500 may be detected by the temperature detecting unit 600.

In some aspects, the temperature detecting unit 600 can be a non-contact temperature detecting unit (for example, an infrared temperature measuring sensor) so that the temperature detecting unit 600 can be detected without being in contact with the second end 540 of the heat conducting member 500. The temperature of the second end 540 of the thermally conductive component 500 is obtained and the heat loss of the second end 540 of the thermally conductive component 500 can be reduced.

Of course, in some embodiments, the temperature detecting unit 600 may also be a contact temperature detecting unit (for example, a temperature measuring sensor including a thermistor), which is not specifically limited herein.

In some embodiments, display screen 200 displays a reminder screen when the temperature is greater than a preset temperature.

As such, the user can be prompted through the display screen 200 when the temperature is greater than the preset temperature.

Specifically, the preset temperature may be previously saved in the head mounted display device 1000 or set by the user, and the preset temperature is, for example, 42 degrees Celsius. When the temperature is higher than the preset temperature, there may be dangers such as user discomfort or burns to the user.

In some embodiments, the display screen 200 displays a reminder screen, which may be a display temperature that is too high, or a current temperature, or a blinking display screen, and is not specifically limited herein.

In some embodiments, the head mounted display device 1000 includes an electroacoustic element (eg, a headphone or a speaker, etc.) that can be audible by the electroacoustic element to alert the user when the temperature is greater than a predetermined temperature.

In some embodiments, the head mounted display device 1000 is turned off when the temperature is greater than a preset temperature.

As such, the head mounted display device 1000 can be turned off when the temperature is greater than the preset temperature.

Specifically, the preset temperature may be previously saved in the head mounted display device 1000 or set by the user, and the preset temperature is, for example, 42 degrees Celsius. When the temperature is higher than the preset temperature, there may be dangers such as user discomfort or burns to the user. Therefore, when the temperature is greater than the preset temperature, the head mounted display device 1000 is turned off, so that the head mounted display device 1000 does not continue to generate heat, thereby avoiding the occurrence of danger.

In the present invention, the first feature "on" or "under" the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and below the second feature, or merely the first feature. The level of the sign is less than the second feature.

The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and arrangements of the specific examples are described below. Of course, they are merely examples and are not intended to limit the invention. In addition, the present invention may be repeated with reference to the numerals and/or reference numerals in the various examples, which are for the purpose of simplicity and clarity, and do not indicate the relationship between the various embodiments and/or arrangements discussed. Moreover, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the use of other processes and/or the use of other materials.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples", etc. Particular features, structures, materials or features described in the examples are included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

While the embodiments of the present invention have been shown and described, the embodiments of the invention may The scope of the invention is defined by the claims and their equivalents.

Claims

A head mounted display device, comprising: a housing, a display screen, an optical system, a circuit component, and a heat conducting component, the housing including a first side adjacent to the user and a second side opposite the first side a side, the display screen, the optical system, the circuit component and the heat conducting component are each disposed within the housing, a first end of the thermally conductive component connecting the display screen, the optical system, and the At least one of the circuit elements, the second end of the heat conducting member being disposed on the first side, the second end of the heat conducting member being in contact with the user's eye when the user uses the head mounted display device Correspondence.
The head mounted display device of claim 1 wherein the second end of the thermally conductive member extends from the first side and is spaced from the eye of the user.
A head mounted display device according to claim 1, wherein the second end of the heat conducting member is completely housed within the housing and spaced from the eye of the user.
The head mounted display device of claim 1 wherein the second end of the thermally conductive member extends from the first side and conforms to the eye of the user.
The head mounted display device according to claim 1, wherein the second end of the heat conducting member is completely housed in the housing and is fitted to the eye of the user.
A head mounted display device according to any one of claims 1 to 5, wherein the heat conducting member is spaced apart from the housing.
The head mounted display device according to claim 1, wherein the second end of the heat conducting member is formed with a fitting portion, and the material of the fitting portion comprises a thin cotton material.
The head mounted display device according to claim 1, wherein the material of the heat conducting member comprises graphene, carbon nanotubes, and thermal grease.
The head mounted display device of claim 1 wherein said display screen comprises a display hyperthermal zone, said first end of said thermally conductive component being coupled to said display hyperthermal zone; and/or said optical system comprises An optical system hyperthermal zone, the first end of the thermally conductive component is coupled to the optical system hyperthermal zone; and/or the circuit component includes a circuit component hyperthermal zone, the first end of the thermally conductive component being coupled to the circuit component hyperthermal zone.
The head mounted display device according to claim 1, wherein the heat conduction member comprises a plurality of the plurality of heat conduction members connected to at least one of the display screen, the optical system, and the circuit element.
The head mounted display device according to claim 1, wherein the head mounted display device comprises a temperature detecting unit, and the temperature detecting unit is operative to detect a temperature of the second end of the heat conducting member.
The head mounted display device according to claim 11, wherein the display screen displays a reminder screen when the temperature is greater than a preset temperature.
A head mounted display device according to claim 11, wherein said head mounted display device is at said temperature Turns off when the degree is greater than the preset temperature.