Claims
- 1. An image display device comprising:
- a rear light source for emitting a light including a first component of a visible region and a second component having a longer wavelength than the visible region;
- image display means comprising an image display region provided with a plurality of pixels in a matrix, said image display means effecting display by passing the light emitted from said rear light source through said plurality of pixels, wherein at least a part of said image display region of said image display means passes the second component having the longer wavelength than the visible region of the light emitted from said rear light source; and
- a fluorescent lamp to generate said visible region component and said longer wavelength component outside the visible region, wherein
- said fluorescent lamp includes fluorescent materials emitting red light, green light, blue light and infrared and/or near-infrared light.
- 2. An image display device according to claim 1, wherein the longer wavelength component outside the visible region contains a component of 850-950 nm.
- 3. An image display device according to claim 1, further comprising a filter transmitting at least said longer wavelength component outside the visible region.
- 4. An image display device according to claim 3, wherein said filter substantially does not transmit the visible region component.
- 5. An image display device according to claim 3, wherein said filter further transmits light of a wavelength of the visible region component.
- 6. An image display device according to claim 1, wherein said visible region component is colored light selected from red light, green light and blue light.
- 7. An image display device according to claim 1, wherein said light source includes a 1st light source principally emitting said visible region component and a 2nd light source principally emitting said longer wavelength component outside the visible region.
- 8. An image display device according to claim 1, wherein said light source includes a semiconductor.
- 9. An image display device according to claim 1, wherein said image display means further includes a light-receiving unit.
- 10. An image display device according to claim 1, further comprising a light-receiving unit.
- 11. An image display device according to claim 1, wherein said image display means is a liquid crystal display.
- 12. An image display device comprising:
- a rear light source for emitting a light including a first component of a visible region and a second component having a longer wavelength than the visible region;
- image display means comprising an image display region provided with a plurality of pixels in a matrix, said image display means effecting display by passing the light emitted from said rear light source through said plurality of pixels, wherein at least a part of said image display region of said image display means passes the second component having the longer wavelength than the visible region of the light emitted from said rear light source; and
- a filter transmitting at least said longer wavelength component outside the visible region, wherein
- said filter is provided at least in an area between said pixels.
- 13. An image display device comprising:
- a rear light source for emitting a light including a first component of a visible region and a second component having a longer wavelength than the visible region;
- image display means comprising an image display region provided with a plurality of pixels in a matrix, said image display means effecting display by passing the light emitted from said rear light source through said plurality of pixels, wherein at least a part of said image display region of said image display means passes the second component having the longer wavelength than the visible region of the light emitted from said rear light source; and
- a filter transmitting at least said longer wavelength component outside the visible region, wherein
- said filter is provided at least within an image display area of said image display means.
- 14. An image display device comprising:
- a rear light source for emitting a light including a first component of a visible region and a second component having a longer wavelength than the visible region;
- image display means comprising an image display region provided with a plurality of pixels in a matrix, said image display means effecting display by passing the light emitted from said rear light source through said plurality of pixels, wherein at least a part of said image display region of said image display means passes the second component having the longer wavelength than the visible region of the light emitted from said rear light source; and
- a filter transmitting at least said longer wavelength component outside the visible region, wherein
- said filter has a configuration substantially the same as that of said pixels.
- 15. An image display device comprising:
- a rear light source for emitting a light including a first component of a visible region and a second component having a longer wavelength than the visible region;
- image display means comprising an image display region provided with a plurality of pixels, said image display means effecting display by passing the light emitted from said rear light source through said plurality of pixels, wherein at least a part of said image display region of said image display means passes the second component having the longer wavelength than the visible region of the light emitted from said rear light source;
- a fluorescent lamp to generate said visible region component and said longer wavelength component outside the visible region, wherein
- said fluorescent lamp includes fluorescent materials emitting red light, green light, blue light and infrared and/or near-infrared light.
- 16. An image display device comprising:
- a rear light source for emitting a light including a first component of a visible region and a second component having a longer wavelength than the visible region;
- image display means comprising an image display region provided with a plurality of pixels, said image display means effecting display by passing the light emitted from said rear light source through said plurality of pixels, wherein at least a part of said image display region of said image display means passes the second component having the longer wavelength than the visible region of the light emitted from said rear light source; and
- a filter transmitting at least said longer wavelength component outside the visible region, wherein
- said filter is provided at least in an area between said pixels.
- 17. An image display device comprising:
- a rear light source for emitting a light including a first component of a visible region and a second component having a longer wavelength than the visible region;
- image display means comprising an image display region provided with a plurality of pixels, said image display means effecting display by passing the light emitted from said rear light source through said plurality of pixels, wherein at least a part of said image display region of said image display means passes the second component having the longer wavelength than the visible region of the light emitted from said rear light source; and
- a filter transmitting at least said longer wavelength component outside the visible region, wherein
- said filter is provided at least within an image display area of said image display means.
- 18. An image display device comprising:
- a rear light source for emitting a light including a first component of a visible region and a second component having a longer wavelength than the visible region;
- image display means comprising an image display region provided with a plurality of pixels, said image display means effecting display by passing the light emitted from said rear light source through said plurality of pixels, wherein at least a part of said image display region of said image display means passes the second component having the longer wavelength than the visible region of the light emitted from said rear light source; and
- a filter transmitting at least said longer wavelength component outside the visible region, wherein
- said filter has a configuration substantially the same as that of said pixels.
Priority Claims (3)
Number |
Date |
Country |
Kind |
4-352365 |
Dec 1992 |
JPX |
|
5-105987 |
Apr 1993 |
JPX |
|
5-320893 |
Nov 1993 |
JPX |
|
Parent Case Info
This application is a continuation of application Ser. No. 08/612,479, filed Mar. 7, 1996, which is a continuation of application Ser. No. 08/162,808, filed Dec. 7, 1993, now both abandoned.
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Continuations (2)
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Number |
Date |
Country |
Parent |
612479 |
Mar 1996 |
|
Parent |
162808 |
Dec 1993 |
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