Swing-type display device

A swing-type display device for displaying, when swung, an image in a trajectory of the swing, by utilizing persistence of vision, comprising:

• a linear array of first light-emitting elements, capable of emitting light in a predetermined color, the linear array extending in a direction substantially perpendicular to the direction of the swing;
• a linear array of second light-emitting elements, capable of emitting light in a color which is different from the predetermined color, the first light-emitting elements and the second light-emitting elements being arranged in pairs of two, such that each second light-emitting element is disposed near a corresponding one of the first light-emitting elements;
• a control section which activates each of the first and second light-emitting elements, for a predetermined period, to emit light in a luminance level in accordance with image data, thereby displaying an image, corresponding to the image data, in the trajectory of the swing;
• and
• a tilt sensor which detects a tilt of the swing-type display device,
• wherein the tilt sensor includes a ball which is capable of reciprocating between a first position and a second position in synchronization with the swing of the swing-type display device, and
• the control section is operable to begin activating each of the first and second light-emitting elements each time the ball is moved out of the first or second position.

A swing-type display device for displaying, when swung, an image in a trajectory of the swing, by utilizing persistence of vision, comprising:

• a linear array of first light-emitting elements, capable of emitting light in a predetermined color, the linear array extending in a direction substantially perpendicular to the direction of the swing;
• a linear array of second light-emitting elements, capable of emitting light in a color which is different from the predetermined color, the first light-emitting elements and the second light-emitting elements being arranged in pairs of two, such that each second light-emitting element is disposed near a corresponding one of the first light-emitting elements;
• a control section which activates each of the first and second light-emitting elements, for a predetermined period, to emit light in a luminance level in accordance with image data, thereby displaying an image, corresponding to the image data, in the trajectory of the swing;
• and
• comprising a light-transmitting material, the optical guide covering light-emitting surfaces of the first and second light-emitting elements and allowing the light emitted from the light-emitting surfaces of the first and second light-emitting elements to propagate therethrough to outside of the swing-type display device,
• wherein the optical guide includes a first face opposing the light-emitting surfaces of the first and second light-emitting elements, and a second face opposite from the first face, the second face being matte-finished to diffuse the light propagating through the optical guide.

A swing-type display device for, when swung, displaying an image in a trajectory of the swing by utilizing persistence of vision, comprising:

• a linear array of light-emitting elements, the linear array extending in a direction substantially perpendicular to the direction of the swing;
• a control section for activating each of the light-emitting elements for a predetermined period, to emit light in a luminance level in accordance with image data, thereby displaying an image, corresponding to the image data, in the trajectory of the swing;
• partitions, each provided between adjacent ones of the light-emitting elements, for restricting directions of light output from light-emitting surfaces of the light-emitting elements;
• and
• a covering member provided to cover the light-emitting elements and the partitions, the covering member comprising a light-transmitting material,
• wherein,
• the covering member includes a first face opposing the light-emitting surfaces of the light-emitting elements, and a second face opposite from the first face, and
• the swing-type display device further comprises a plurality of convex portions, formed on at least one of the first and second faces, each shaped as a ridge extending along the direction of the swing.

A method for displaying, by utilizing persistence of vision, an image in a trajectory of a swing of a swung swing-type display device, comprising:

• providing a plurality of light-emitting element sets, each of which comprises a plurality of light-emitting elements, each of the plurality of elements in a set being disposed near the each of the other of the plurality of elements in the set, the plurality of light-emitting element sets being aligned in a linear array of sets substantially perpendicular to the swing direction;
• providing a control section which activates each light-emitting element of each set, for a predetermined period, to emit light in a luminance level in accordance with image data;
• and
• causing each light-emitting element of each set, for a predetermined period, to emit light in a luminance level in accordance with the image data, thereby displaying an image, corresponding to the image data, in the trajectory of the swing, the displayed image appearing as a mixed color formed from a first color of emitted light from light-emitting elements of one of the plurality of light-emitting element sets and a second color which is different from the first color, of emitted light from light-emitting elements of another one of the plurality of light-emitting element sets.

A method for displaying, by utilizing persistence of vision, an image in a trajectory of a swing of a swung swing-type display device, comprising:

• providing a plurality of light-emitting element sets, each of which comprises a plurality of light-emitting elements, each of the plurality of elements in a set being disposed near the each of the other of the plurality of elements in the set, and the plurality of light-emitting element sets being aligned in a linear array of sets substantially perpendicular to the swing direction;
• providing a control section which activates each light-emitting element of each set, for a predetermined period, to emit light in a luminance level in accordance with image data;
• causing each light-emitting element of each set, for a predetermined period, to emit light in a luminance level in accordance with the image data, thereby displaying an image, corresponding to the image data, in the trajectory of the swing;
• and
• providing an optical guide comprising a light-transmitting material, the optical guide covering light-emitting surfaces of the light-emitting elements in each set and allowing the light emitted from the light-emitting surfaces of the light-emitting elements to propagate therethrough to outside of the swing-type display device,
• wherein the optical guide includes a first face opposing the light-emitting surfaces of the light-emitting elements, and a second face opposite from the first face, the second face being matte-finished to diffuse the light propagating through the optical guide.

A method for displaying, by utilizing persistence of vision, an image in a trajectory of a swing of a swung swing-type display device, comprising:

• providing a plurality of light-emitting element sets, each of which comprises a plurality of light-emitting elements, each of the plurality of elements in a set being disposed near the each of the other of the plurality of elements in the set, and the plurality of light-emitting element sets being aligned in a linear array of sets substantially perpendicular to the swing direction;
• providing a control section which activates each light-emitting element of each set, for a predetermined period, to emit light in a luminance level in accordance with image data;
• causing each light-emitting element of each set, for a predetermined period, to emit light in a luminance level in accordance with the image data, thereby displaying an image, corresponding to the image data, in the trajectory of the swing providing a tilt sensor which detects a tilt of the swing-type display device;
• and
• wherein the tilt sensor includes a ball which is capable of reciprocating between a first position and a second position in synchronization with the swing of the swing-type display device, and
• the control section is operable to begin activating each of the light-emitting elements of each set, each time the ball is moved out of the first or second position.

A swing-type display device for displaying, when swung, an image in a trajectory of the swing, by utilizing persistence of vision, comprising:

• a linear array of first light-emitting elements, capable of emitting light in a predetermined color, the linear array extending in a direction substantially perpendicular to the direction of the swing;
• a linear array of second light-emitting elements, capable of emitting light in a color which is different from the predetermined color, the first light-emitting elements and the second light-emitting elements being arranged in pairs of two, such that each second light-emitting element is disposed near a corresponding one of the first light-emitting elements;
• and
• a control section which activates each of the first and second light-emitting elements, for a predetermined period, to emit light in a luminance level in accordance with image data, thereby displaying an image, corresponding to the image data, in the trajectory of the swing, the image displayed having multiple colors.

A method for displaying, by utilizing persistence of vision, an image in a trajectory of a swing of a swung swing-type display device, comprising:

• providing a plurality of light-emitting element sets, each of which comprises a plurality of light-emitting elements, each of the plurality of elements in a set being disposed near the each of the other of the plurality of elements in the set, and the plurality of light-emitting element sets being aligned in a linear array of sets substantially perpendicular to the swing direction;
• providing a control section which activates each light-emitting element of each set, for a predetermined period, to emit light in a luminance level in accordance with image data;
• and
• causing each light-emitting element of each set, for a predetermined period, to emit light in a luminance level in accordance with the image data, thereby displaying an image, corresponding to the image data, in the trajectory of the swing, the image displayed having multiple colors.