Touch screen plasma display

• US 20060209047A1
• Filed: 02/10/2006
• Published: 09/21/2006
• Est. Priority Date: 03/18/2005
• Status: Abandoned Application

• Current Assignee: Samsung SDI Company Limited
• Original Assignee: Samsung SDI Company Limited
• Inventors: Jeong, Kwang-Jin
• Application Number:
  US11/350,803
• Publication Number:
  US 20060209047A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 3/03545 Pens or stylus
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/046 by electromagnetic means
• CPC Class Codes: H01J 11/12 with main electrodes provided on both sides of the discharge space

Abstract

A touch screen plasma display includes: a Plasma Display Panel (PDP) adapted to display images by a gas discharge, and including a front substrate, front electrodes extending in a predetermined direction on a rear portion of the front substrate, a rear substrate facing the front substrate, rear electrodes extending in a direction crossing the front electrodes on a front portion of the rear substrate, barrier ribs arranged between the front substrate and the rear substrate to define discharge spaces where the front and rear electrodes are commonly disposed, phosphor layers arranged in the discharge spaces, and a discharge gas contained within the discharge spaces; an image displaying circuit unit adapted to supply driving control signals to the front electrodes and the rear electrodes to cause the PDP to display the images; and a position detecting circuit unit adapted to communicate with the image displaying circuit unit, to detect position information signals from the front and rear electrodes generating induced currents by an electronic pen that changes a magnetic flux, to process the signals into a position coordinate signal of the electronic pen, and to transmit the position coordinate signal to the image displaying circuit unit.

Claims

1. A touch screen plasma display comprising:

a Plasma Display Panel (PDP) adapted to display images by a gas discharge, and including a front substrate, front electrodes extending in a predetermined direction on a rear portion of the front substrate, a rear substrate facing the front substrate, rear electrodes extending in a direction of crossing the front electrodes on a front portion of the rear substrate, barrier ribs arranged between the front substrate and the rear substrate to define discharge spaces where the front and rear electrodes can be commonly disposed, phosphor layers arranged in the discharge spaces, and a discharge gas contained within the discharge spaces;

an image displaying circuit unit adapted to supply driving control signals to the front electrodes and the rear electrodes to cause the PDP to display the images; and

a position detecting circuit unit communicating with the image displaying circuit unit, and adapted to detect position information signals from the front and rear electrodes to generate induced currents by an electronic pen that changes a magnetic flux, to process the signals into a position coordinate signal of the electronic pen, and to transmit the position coordinate signal to the image displaying circuit unit.

2. The touch screen plasma display of claim 1, wherein the electronic pen comprises a coil, and wherein an Alternating Current (AC) is supplied to the coil to change the magnetic flux.

3. The touch screen plasma display of claim 1, wherein the front electrodes are adapted to perform as sustain electrode pairs including common electrodes and scan electrodes to generate a sustain discharge, and wherein the rear electrodes are adapted to perform as address electrodes to generate an address discharge with the scan electrodes.

4. The touch screen plasma display of claim 3, wherein the position detecting circuit unit is adapted to communicate with the scan electrodes and the address electrodes.

5. The touch screen plasma display of claim 3, wherein the front electrode comprises a transparent electrode of a transparent conductive material, and a bus electrode connected to the transparent electrode and adapted to supply driving control signals to the transparent electrode.

6. The touch screen plasma display of claim 1, further comprising a dielectric layer adapted to cover at least one of the front electrodes and the rear electrodes.

7. The touch screen plasma display of claim 1, further comprising at least a chassis base arranged between the PDP and the image displaying circuit unit and adapted to support the PDP and the image displaying circuit unit.

8. A touch screen plasma display comprising:

a Plasma Display Panel (PDP) adapted to display images by a gas discharge, and including a front substrate, sustain electrode pairs extending in a predetermined direction on a rear portion of the front substrate and including pairs of common electrodes and scan electrodes, a front dielectric layer adapted to cover the sustain electrode pairs, a rear substrate facing the front substrate, address electrodes extending in a direction crossing the sustain electrode pairs on a front portion of the rear substrate, a rear dielectric layer adapted to cover the address electrodes, barrier ribs arranged between the front substrate and the rear substrate to define discharge spaces where the sustain electrode pairs and the address electrodes are commonly disposed, phosphor layers arranged in the discharge spaces, and a discharge gas contained within the discharge spaces;

an image displaying circuit unit adapted to supply driving control signals to the sustain electrode pairs and the address electrodes to cause the PDP to display the images; and

a position detecting circuit unit adapted to communicate with the image displaying circuit unit, to detect position information signals from the address electrode and the scan electrode generating induced currents by an electronic pen that changes magnetic flux, to process the signals into position coordinate signal of the electronic pen, and to transmit the position coordinate signal to the image displaying circuit unit.

9. The touch screen plasma display of claim 8, wherein the electronic pen comprises a coil, and wherein an Alternating Current (AC) voltage is supplied across both ends of the coil to change the magnetic flux.

10. The touch screen plasma display of claim 8, wherein the barrier ribs comprise one of a matrix or stripes.

11. The touch screen plasma display of claim 8, further comprising a protective layer adapted to cover a rear surface of the front dielectric layer.

12. The touch screen plasma display of claim 8, further comprising at least a chassis base arranged between the PDP and the image displaying circuit unit and adapted to support the PDP and the image displaying circuit unit.