DISPLAY WITH AN OPTICAL SENSOR

• US 20120018625A1
• Filed: 10/12/2009
• Published: 01/26/2012
• Est. Priority Date: 10/12/2009
• Status: Active Grant

• Current Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Original Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Inventors: Briden, John J., Suggs, Bradley Neal, McCarthy, John P.
• Granted Patent: US 8,664,582 B2
• Time in Patent Office: Days
• US Class Current: 250/221
• CPC Class Codes: G06F 2203/04101 2.5D-digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface and also measures the distance of the input means within a short range in the Z direction, possibly with a separate measurement setup
• CPC Class Codes: G06F 2203/04104 Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
• CPC Class Codes: G06F 3/042 by opto-electronic means
• CPC Class Codes: G06F 3/0428 by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual sensing beam interruptions in a planar beam grid of an optical touch-screen G06F3/0421
• CPC Class Codes: Y10T 29/49002 Electrical device making

Abstract

A display system can include a transparent layer. The transparent layer can include a front and a back. A bevel region can extend from the transparent layer. A panel can be on the back of the transparent layer. A three dimensional optical sensor can be on the back of the bevel region.

Claims

1. A display system 100 comprising:

a transparent layer 105 including a front and a back and a bevel region 107 extending from the transparent layer, wherein the bevel region includes a front and a back;

a panel 110 on the back of the transparent layer; and

a three dimensional optical sensor 115 on the back of the bevel region.

2. The system of claim 1 further comprising a second three dimensional optical sensor 417 to determine a depth from the second three dimensional optical sensor of the object located in a field of view of the second three dimensional optical sensor.

3. The system of claim 1 wherein the beveled region is dome shaped.

4. The system of any of the above claims wherein the three dimensional optical sensor 115 is attached outside of a perimeter of the panel.

5. The system of claim 4 wherein the beveled layer is outside the perimeter 117 of the panel.

6. The system of any of the above claims wherein the three dimensional optical sensor 115 is selected from the group consisting of a time of flight sensor, a structured light sensor, focus sensor, and a defocus sensor.

7. A method comprising:

creating a beveled region 107 extending from a transparent layer 105;

attaching a three dimensional optical sensor 115 behind the beveled region; and

attaching a panel 110 behind the transparent layer.

8. The method of claim 7 wherein the beveled region is transparent to infrared wavelengths.

9. The method of claim 8 wherein the beveled layer is opaque to visible wavelengths.

10. The method of claim 7 further comprising generating depth information from a group consisting of time of flight information, structured light information, focus depth information and defocus depth information.

11. The method of any of claims 7-10 wherein the beveled region includes a beveled back surface relative to the transparent layer back surface 108.

12. The method of any of claims 7-11 wherein the beveled region includes a beveled front surface relative to the transparent layer front surface 106.

13. The method of any of claims 7-12 further comprising aligning the field of view 135 of the three dimensional optical sensor with a front surface of a transparent layer.

14. The method of any of claims 7-13 further comprising attaching a light source 125 behind the beveled region.

15. A display system comprising:

a panel 110 to display images on a front side;

a three dimensional optical sensor 115 to determine depth from the three dimensional optical sensor of an object located in a field of view of the three dimensional optical sensor;

a transparent layer 105 including a front, a back in front of the front side of the panel and a side; and

a beveled region extends from the transparent layer in front of the three dimensional optical sensor.