Display device and display method
The present technology provides a display device capable of appropriately displaying information in a visual field range of a user. The present technology provides a display device including: a display system configured to display information in a visual field range of a user by irradiating a retina of an eyeball with light using an element integrally provided on the eyeball of the user; a detection system configured to detect a change in an orientation and/or a position of the eyeball; and a control system configured to control a display position and/or a display mode of the information in the visual field range on the basis of a detection result in the detection system. According to the present technology, it is possible to provide a display device capable of appropriately displaying information in a visual field range of a user.
1 . A display device, comprising:
a display system configured to control an element to irradiate a retina of an eyeball with light to display information in a user visual field range, wherein the element is integrally provided on the eyeball;
a first detection system configured to detect a change in at least one of an orientation or a position of the eyeball; and
a control system configured to:
determine necessity of alteration in at least one of a display position or a display mode of the information in the user visual field range based on the detection of the change in the at least one of the orientation or the position of the eyeball, and a positional relationship between the display position of the information and a background in the user visual field range; and
control the at least one of the display position or the display mode of the information in the user visual field range based on the determination of the necessity of the alteration.
2 . The display device according to claim 1 , wherein the control system is further configured to determine the necessity of the alteration based on one of presence or absence of a change in the display position before and after the change in the at least one of the orientation or the position of the eyeball.
3 . The display device according to claim 1 , wherein the control system is further configured to:
determine content of the information; and
determine the necessity of the alteration based on the determination of the content of the information.
4 . The display device according to claim 3 , wherein the control system is further configured to:
determine, based on the content of the information, whether the information is one of urgent notification information or forcible notification information; and
control the display system based on a determination result of the determination whether the information is one of the urgent notification information or the forcible notification information.
5 . The display device according to claim 4 , wherein the control system is further configured to control, in a case where the information is one of the urgent notification information or the forcible notification information, the display system to display the information conspicuously in the user visual field range.
6 . The display device according to claim 4 , wherein the control system is further configured to control, in a case where the information is one of the urgent notification information or the forcible notification information, the display system to display the information at a center part in the user visual field range.
7 . The display device according to claim 4 , wherein the control system is further configured to:
determine whether the content of the information corresponds to user future behavior in a case where the information is not one of the urgent notification information or the forcible notification information; and
control the display system based on a determination result of the determination whether the content of the information corresponds to the user future behavior.
8 . The display device according to claim 7 , wherein the control system is further configured to control, in a case where the content of the information corresponds to the user future behavior, the display system to display the information conspicuously in the user visual field range.
9 . The display device according to claim 7 , wherein the control system is further configured to control, in a case where the content of the information corresponds to the user future behavior, the display system to display the information at a center part in the user visual field range.
10 . The display device according to claim 7 , wherein the control system is further configured to control, in a case where the content of the information does not correspond to the user future behavior, the display system to display the information inconspicuously in the user visual field range.
11 . The display device according to claim 7 , wherein the control system is further configured to control, in a case where the content of the information does not correspond to the user future behavior, the display system to display the information at a peripheral part in the user visual field range.
12 . The display device according to claim 3 , wherein the control system is further configured to:
execute machine learning of user behavior toward the display of the information; and
determine the content of the information based on a learning result of the execution of the machine learning of the user behavior.
13 . The display device according to claim 1 , wherein
the first detection system includes an eyeball sensor, and
the eyeball sensor is configured to detect the orientation of the eyeball.
14 . The display device according to claim 13 , wherein
the first detection system includes a head sensor, and
the head sensor is configured to detect the orientation of a user head.
15 . The display device according to claim 13 , wherein
the first detection system includes a sensor, and
the sensor is configured to detect a user movement.
16 . The display device according to claim 1 , wherein
the first detection system includes a head sensor, and
the head sensor is configured to detect an orientation of a user head.
17 . The display device according to claim 14 , wherein
the first detection system includes a sensor, and
the sensor is configured to detect a user movement.
18 . The display device according to claim 16 , wherein
the first detection system includes a sensor, and
the sensor is configured to detect a user movement.
19 . The display device according to claim 1 , wherein
the first detection system includes a sensor, and
the sensor is configured to detect user movement.
20 . The display device according to claim 1 , wherein the element is of an eyeball-worn type.
21 . The display device according to claim 20 , wherein the element is a display element.
22 . The display device according to claim 20 , wherein
the element is an optical element,
the display system includes a projection unit, and
the projection unit is configured to project, onto the optical element, light for the display of the information.
23 . The display device according to claim 22 , further comprising an incident position shift detection system, wherein
the incident position shift detection system is configured to detect an incident position shift,
the incident position shift is a shift of an incident position of light, that enters the retina via the optical element, based on the change in the orientation of the eyeball, and
the control system is further configured to control the display system based on a detection result of the detection of the incident position shift.
24 . The display device according to claim 23 , wherein the control system is further configured to correct the incident position shift based on the control of the display system.
25 . The display device according to claim 20 , further comprising a position shift detection system configured to detect a position shift between the eyeball and the element, wherein
the control system is further configured to control the display system based on a detection result of the detection of the position shift by the position shift detection system.
26 . The display device according to claim 25 , wherein the control system is further configured to control the display position to not change before the position shift and after the position shift.
27 . The display device according to claim 1 , wherein the element is of an eyeball-embedded type.
28 . The display device according to claim 27 , wherein the element is a display element.
29 . The display device according to claim 27 , wherein
the element is an optical element,
the display system includes a projection unit, and
the projection unit is configured to project, onto the optical element, light for the display of the information.
30 . The display device according to claim 29 , further comprising an incident position shift detection system, wherein
the incident position shift detection system is configured to detect an incident position shift,
the incident position shift is a shift of an incident position of light, that enters the retina via the optical element, based on the change in the orientation of the eyeball, and
the control system is further configured to control the display system based on a detection result of the detection of the incident position shift.
31 . The display device according to claim 30 , wherein the control system is further configured to control the display system to correct the incident position shift.
32 . The display device according to claim 1 , further comprising a second detection system configured to detect opening-closing of an eyelid corresponding to the eyeball, wherein
the control system is further configured to control the display system based on a detection result of the detection of the opening-closing of the eyelid by the second detection system.
33 . A display method, comprising:
controlling an element to irradiate a retina of an eyeball with light for displaying information in a user visual field range, wherein the element is integrally provided on the eyeball;
detecting a change in at least one of an orientation or a position of the eyeball;
determining necessity of alteration in at least one of a display position or a display mode of the information in the user visual field range based on the detection of the change in the at least one of the orientation or the position of the eyeball, and a positional relationship between the display position of the information and a background in the user visual field range; and
controlling the at least one of the display position or the display mode of the information in the user visual field range based on the determination of the necessity of the alteration.
34 . The display method according to claim 33 , further comprising determining the necessity of the alteration based on one of presence or absence of a change in the display position before and after the change in the at least one of the orientation or the position of the eyeball.
35 . The display method according to claim 33 , further comprising:
determining content of the information; and
determining the necessity of the alteration based on the determination of the content of the information.
36 . The display method according to claim 35 , further comprising:
determining, based on the content of the information, whether the information is one of urgent notification information or forcible notification information; and
controlling the at least one of the display position or the display mode based on the determination whether the information is one of the urgent notification information or the forcible notification information.
37 . The display method according to claim 36 , further comprising controlling, in a case where the information is one of the urgent notification information or the forcible notification information, the display of the information conspicuously in the user visual field range.
38 . The display method according to claim 36 , further comprising controlling, in a case where the information is one of the urgent notification information or the forcible notification information, the display of the information at a center part in the user visual field range.
39 . The display method according to claim 36 , further comprising:
determining whether the content of the information corresponds to user future behavior in a case where the information is not one of the urgent notification information or the forcible notification information; and
controlling the at least one of the display position or the display mode based on a determination result of the determination that the content of the information corresponds to the user future behavior.
40 . The display method according to claim 39 , further comprising controlling, in a case where the content of the information corresponds to the user future behavior, the display of the information conspicuously in the user visual field range.
41 . The display method according to claim 39 , further comprising controlling, in a case where the content of the information corresponds to the user future behavior, the display of the information at a center part in the user visual field range.
42 . The display method according to claim 39 , further comprising controlling, in a case where the content of the information does not correspond to the user future behavior, the display of the information inconspicuously in the user visual field range.
43 . The display method according to claim 39 , further comprising controlling, in a case where the content of the information does not correspond to the user future behavior, the display of the information in a peripheral part in the user visual field range.
44 . The display method according to claim 35 , further comprising:
executing machine learning of user behavior toward the display of the information; and
determining the content of the information based on a learning result of the execution of the machine learning of the user behavior.
45 . The display method according to claim 33 , further comprising: detecting an incident position shift, wherein
the element is an optical element irradiated with light for the displaying of the information, and
the incident position shift is a shift of an incident position of light, entering the retina via the optical element, based on the change in the orientation of the eyeball; and
controlling at least one of the display position or the display mode of the information based on a detection result of the detection of the incident position shift.
46 . The display method according to claim 45 , further comprising correcting the incident position shift based on the controlling of the at least one of the display position or the display mode.
47 . The display method according to claim 33 , further comprising:
detecting a position shift between the eyeball and the element, wherein
the element is of an eyeball-worn type; and
controlling the at least one of the display position or the display mode based on a detection result of the detecting of the position shift.
48 . The display method according to claim 47 , further comprising controlling the display position to not change before the position shift and after the position shift.
49 . The display method according to claim 33 , further comprising:
detecting opening-closing of an eyelid corresponding to the eyeball; and
controlling the display of the information based on a detection result of the detecting of the opening-closing of the eyelid.
50 . A display device, comprising:
a display system configured to control an element to irradiate a retina of an eyeball with light to display information in a user visual field range, wherein the element is integrally provided on the eyeball; and
a control system configured to:
determine content of the information;
determine necessity of alteration in at least one of a display position or a display mode of the information in the user visual field range based on a positional relationship between the display position of the information and a background in the user visual field range; and
control at least one of the display position or the display mode of the information in the user visual field range based on the content of the information and the determination of the necessity of the alteration.
51 . A display method, comprising:
controlling an element to irradiate a retina of an eyeball with light for displaying information in a user visual field range, wherein the element is integrally provided on the eyeball;
determining content of the information;
determining necessity of alteration in at least one of a display position or a display mode of the information in the user visual field range based on a positional relationship between the display position of the information and a background in the user visual field range; and
controlling at least one of the display position or the display mode of the information in the user visual field range based on the content of the information and the determination of the necessity of the alteration.