Display device having an image pickup function and a two-way communication system

• US 20040257473A1
• Filed: 06/14/2004
• Published: 12/23/2004
• Est. Priority Date: 06/17/2003
• Status: Active Grant

• Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Original Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Inventors: Miyagawa, Keisuke
• Granted Patent: US 7,609,310 B2
• Time in Patent Office: Days
• US Class Current: 348/571
• CPC Class Codes: H04N 2007/145 Handheld terminals
• CPC Class Codes: H04N 7/144 camera and display on the same optical axis, e.g. optically multiplexing the camera and display for eye to eye contact

Abstract

A two-way communication device having a display device of novel structure and an image pickup device is provided. More particularly, a two-way communication system having a display device and an image pickup device is provided. The display device having an image pickup function includes an image pickup unit and a display panel in which light emitting elements which can transmit visible light at least and be controlled by voltage or current are arranged. A compact and lightweight device can be achieved without using a complicated optical system or an optical system having a long light path, whereby two parties can communicate while catching each other'"'"'s eyes.

Claims

1. A display device comprising:

a display panel in which light-emitting pixels having transmittancy are arranged; and

an image pickup device disposed over one side of the display panel,

wherein the image pickup device takes an image of an object through the display panel.

2. The display device according to claim 1, wherein the light-emitting pixels generate electroluminescence.

3. The display device according to claim 1, wherein the display device performs:

a first correction in which a deviation in color and luminance of the image is corrected corresponding to a transmittance of the display panel; and

a second correction in which a glare caused by a light reflecting on the display panel is eliminated from the image.

4. A display device comprising:

a display panel in which light-emitting elements each sandwiched between a pair of light-transmissive electrodes are formed over a light-transmissive substrate; and

an image pickup device disposed over a back side of the display panel.

5. The display device according to claim 4, wherein the light-emitting elements generate electroluminescence.

6. The display device according to claim 4, wherein the display device performs:

a first correction in which a deviation in color and luminance of a image is corrected corresponding to a transmittance of the display panel; and

a second correction in which a glare caused by a light reflecting on the display panel is eliminated from the image.

7. A display device comprising:

a display panel in which light-emitting elements which transmit a visible light and emit a light to at least a front side of the display panel are arranged over a ligh-transmissive substrate; and

an image pickup device disposed over a back side of the display panel.

8. The display device according to claim 7, wherein the light-emitting elements generate electroluminescence.

9. The display device according to claim 7, wherein the display device performs:

a first correction in which a deviation in color and luminance of a image is corrected corresponding to a transmittance of the display panel; and

a second correction in which a glare caused by a light reflecting on the display panel is eliminated from the image.

10. A two-way communication system comprising:

a display panel in which light-emitting pixels having transmittancy are arranged; and

an image pickup device disposed over one side of the display panel,

wherein the image pickup device takes an image of a first user through the display panel while an image of a second user is displayed on the display panel at the same time.

11. The two-way communication system according to claim 10, wherein the light-emitting pixels generate electroluminescence.

12. The two-way communication system according to claim 10, the two-way communication system performs:

a first correction in which a deviation in color and luminance of a image is corrected corresponding to a transmittance of the display panel; and

a second correction in which a glare caused by a light reflecting on the display panel is eliminated from the image.

13. A two-way communication system comprising:

a display panel in which light-emitting elements each sandwiched between a pair of light-transmissive electrodes are formed over a light-transmissive substrate; and

an image pickup device disposed over a back of the display panel,

wherein the image pickup device takes an image of a first user through the display panel while an image of a second user is displayed on the display panel at the same time.

14. The two-way communication system according to claim 13, wherein the light-emitting elements generate electroluminescence.

15. The two-way communication system according to claim 13, the two-way communication system performs:

a first correction in which a deviation in color and luminance of a image is corrected corresponding to a transmittance of the display panel; and

a second correction in which a glare caused by a light reflecting on the display panel is eliminated from the image.

16. A two-way communication system comprising:

a display panel in which light-emitting elements which transmit a visible light and emit a light to at least a front side of the display panel are arranged over a light-transmissive substrate; and

an image pickup device disposed over a back of the display panel,

wherein the image pickup device takes an image of a first user through the display panel while an image of a second user is displayed on the display panel at the same time.

17. The two-way communication system according to claim 16, wherein the light-emitting pixels generate electroluminescence.

18. The two-way communication system according to claim 16, the two-way communication system performs:

a first correction in which a deviation in color and luminance of a image is corrected corresponding to a transmittance of the display panel; and

a second correction in which a glare caused by a light reflecting on the display panel is eliminated from the image.