Display device and control method
View Patent ↗A stereoscopic video display system includes a display device for displaying stereoscopic video, an image pickup element for generating image data, a position determiner for processing the image data received by the image pickup element to determine position information of at least one object identified in the image data, and a plurality of light output sections each having one or more light transmitters. Each light transmitter is configured to output timing signals having a signal strength based on the determined position information. The stereoscopic video display system also includes at least one set of shutter eyeglasses including a light receiving section for receiving timing signals output from at least one of the light transmitters of the light output sections.
1. A stereoscopic video display system comprising:
a display device for displaying stereoscopic video;
an image pickup element for generating image data;
a position determiner for processing the image data received by the image pickup element to determine position information of at least one object identified in the image data;
a plurality of light output sections each having one or more light transmitters, each light transmitter configured to output timing signals having a signal strength based on the determined position information; and
at least one set of shutter eyeglasses including a light receiving section for receiving timing signals output from at least one of the light transmitters of the light output sections,
wherein the light output sections include a light output section at a right end, a left end, an upper central part, and a lower central part of the display device, wherein each of the light output sections include a plurality of light transmitters configured to output timing signals at a plurality of different strength levels,
wherein the position information is relative to a position of the image pickup element and includes vertical position information, horizontal position information, and distance information for each of the objects identified in the image data, and
wherein for a given object, a signal strength of the timing signals directed towards said object is directly related to a determined distance of said object from the image pickup element.
2. The stereoscopic video display system according to claim 1 , wherein the position determiner determines the position information and a number of objects in the image data based on a result of a predetermined image processing performed on the image data.
3. The stereoscopic video display system according to claim 2 , wherein the strength of the timing signals is directly related to the number of objects determined by the position determiner.
4. The stereoscopic video display system according to claim 1 , wherein the set of shutter eyeglasses includes a first shutter and a second shutter.
5. The stereoscopic video display system of claim 4 , wherein the first shutter is selected when a timing signal having a first signal strength is received by the light receiving section, and the second shutter is selected when a timing signal having a second signal strength is received by the light receiving section, the second signal strength being different than the first signal strength.
6. The stereoscopic video display system of claim 4 , wherein the set of shutter eyeglasses alternately cycle between two states in accordance with a synchronization with the timing signals sent by the light transmitters and received by the light receiving section, a first state is where the first shutter is opened and the second shutter is closed, and the second state is where the first shutter is closed and the second shutter is opened.
7. The stereoscopic video display system of claim 6 , wherein the display device displays images on a time-division basis that is in synchronization with the alternate states of the shutter eyeglasses, where a first set of images to be viewed through the first shutter are displayed during time intervals of the first state, and a second set of images to be viewed through the second shutter are displayed during time intervals of the second state.
8. The stereoscopic video display system according to claim 1 , wherein the display device is an organic electroluminescent device.
9. A display system comprising:
a display device;
an image pickup element for generating image data;
a position determiner for processing the image data received by the image pickup element to determine position information of at least one object identified in the image data; and
a plurality of light transmitters configured to output timing signals, each timing signal output from each of the light transmitters having a signal strength based on the determined position information,
wherein the position information is relative to a position of the image pickup element and includes vertical position information, horizontal position information, and distance information for each of the objects identified in the image data, and
wherein for a given object, a signal strength of the timing signals directed towards said object is directly related to a determined distance of said object from the image pickup element.
10. The display system according to claim 9 , further comprising light output sections at a right end, a left end, an upper central part, and a lower central part of the display device, wherein each of the light output sections include a plurality of the light transmitters arranged to output signals in different directions from each other.
11. The display system according to claim 10 , wherein each of the plurality of light transmitters for each of the light output sections are configured to output timing signals at a plurality of different strength levels.
12. The display system according to claim 9 , wherein the display device alternately displays images to be viewed at a first viewing position and a second viewing position on a time division basis, the first viewing position being different than the second viewing position.
13. The display system of claim 12 , wherein the plurality of light transmitters output timing signals in synchronization with the images displayed by the display device.
14. The display system of claim 9 , wherein the image pickup element is positioned behind a plurality of pixel circuits of the display, and the image pickup element receives ambient light that is passed through free space parts of the plurality of pixel circuits.
15. A system for controlling output of at least one light transmitter, the system comprising:
an image pickup element for generating image data of at least one object positioned a distance away from the image pickup element;
a position determiner for processing the image data received by the image pickup element to determine position information of the at least one object identified in the image data; and
an light output controlling section for controlling output strength level of a plurality of light transmitters configured to output timing signals based on the determined position information,
wherein the position information is relative to a position of the image pickup element and includes vertical position information, horizontal position information, and distance information for each of the objects identified in the image data, and
wherein for a given object, a signal strength of the timing signals directed towards said object is directly related to a determined distance of said object from the image pickup element.
16. The system according to claim 15 , wherein the light transmitters are infrared light transmitters.
17. The system according to claim 15 , wherein each light transmitter emits timing signals in a different direction.