SWITCHABLE TOUCH STEREOSCOPIC IMAGE DEVICE

• US 20130155059A1
• Filed: 12/12/2012
• Published: 06/20/2013
• Est. Priority Date: 12/16/2011
• Status: Abandoned Application

• Current Assignee: Dongguan Masstop Liquid Crystal Display Company Limited (Wintek Corporation), Wintek Corporation
• Original Assignee: Dongguan Masstop Liquid Crystal Display Company Limited (Wintek Corporation), Wintek Corporation
• Inventors: Wang, Wen-Chun, Hsu, Ching-Fu, Chang, Ting-Yu, Li, Chong-Wei
• Application Number:
  US13/712,928
• Publication Number:
  US 20130155059A1
• Time in Patent Office: Days
• US Class Current: 345/419
• CPC Class Codes: G06F 3/041 Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/0443 using a single layer of sensing electrodes
• CPC Class Codes: G06F 3/0447 Position sensing using the local deformation of sensor cells
• CPC Class Codes: G06F 3/045 using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact

Abstract

A switchable touch stereoscopic image device includes a stereoscopic image generating module and a touch sensing module. The stereoscopic image generating module includes a first substrate, a second substrate, a light-path converting layer, driving electrodes and a common electrode. The first and second substrates are disposed corresponding to each other. The first substrate has a top surface. The second substrate has a top surface and a bottom surface facing the top surface of the first substrate. The light-path converting layer is disposed between the first and second substrates. The driving electrodes are disposed on the top surface of the first substrate. The common electrode is disposed on the bottom surface of the second substrate. The touch sensing module is disposed on a side of the second substrate of the stereoscopic image generating module and includes sensing electrodes disposed on a side of the top surface of the second substrate.

Claims

1. A switchable touch stereoscopic image device, comprising:

a stereoscopic image generating module, comprising;

a first substrate having a top surface;

a second substrate, disposed corresponding to the first substrate, wherein the second substrate has a top surface and a bottom surface facing the top surface of the first substrate;

a plurality of driving electrodes, disposed on the top surface of the first substrate; and

a common electrode, disposed on the bottom surface of the second substrate;

a light-path converting layer, disposed between the first substrate and the second substrate; and

a touch sensing module, disposed on a side of the second substrate of the stereoscopic image generating module, wherein the touch sensing module comprises a plurality of sensing electrodes disposed on a side of the top surface of the second substrate.

2. The switchable touch stereoscopic image device of claim 1, wherein the touch sensing module further comprises a third substrate facing the second substrate, the third substrate has a bottom surface facing the top surface of the second substrate, the sensing electrodes comprises a first sensing electrode disposed on the top surface of the second substrate, and a second sensing electrode disposed on the bottom surface of the third substrate, the first sensing electrode comprises a plurality of first sensing pads, and the second sensing electrode comprises a plurality of second sensing pads.

3. The switchable touch stereoscopic image device of claim 1, wherein the sensing electrodes comprises a first sensing electrode disposed on the top surface of the second substrate, and a second sensing electrode disposed on the top surface of the second substrate, the first sensing electrode comprises a plurality of first sensing pads, and the second sensing electrode comprises a plurality of second sensing pads.

4. The switchable touch stereoscopic image device of claim 3, wherein the first sensing pads and the second sensing pads are disposed coplanarly.

5. The switchable touch stereoscopic image device of claim 3, wherein the first sensing pads and the second sensing pads are disposed incoplanarly, and the touch sensing module further comprises an insulating layer disposed between the first sensing pads and the second sensing pads.

6. The switchable touch stereoscopic image device of claim 1, wherein the touch sensing module further comprises a third substrate facing the second substrate, the third substrate has a bottom surface facing the top surface of the second substrate, the sensing electrodes comprises a first sensing electrode disposed on the top surface of the second substrate, and a second sensing electrode disposed on the bottom surface of the third substrate, the first sensing electrode is a planar electrode, and the second sensing electrode is a planar electrode.

7. A switchable touch stereoscopic image device, comprising:

a stereoscopic image generating module, comprising;

a first substrate having a top surface;

a second substrate, disposed corresponding to the first substrate, wherein the second substrate has a top surface and a bottom surface facing the top surface of the first substrate;

a plurality of driving electrodes, disposed on the top surface of the first substrate; and

a common electrode, disposed on the bottom surface of the second substrate;

a light-path converting layer, disposed between the first substrate and the second substrate; and

a touch sensing module, disposed on a side of the second substrate of the stereoscopic image generating module, the touch sensing module comprising;

a third substrate facing the second substrate, wherein the third substrate has a bottom surface facing the top surface of the second substrate;

an elastic medium layer, disposed between the second substrate and the third substrate, wherein the elastic medium layer is deformable by pressing; and

a plurality of sensing electrodes disposed on the bottom surface of the third substrate;

wherein a gap between the sensing electrodes and the common electrode is changed due to a deformation of the elastic medium layer when the third substrate is pressed.

8. The switchable touch stereoscopic image device of claim 7, wherein the sensing electrodes comprise a first sensing electrode and a second sensing electrode, the first sensing electrode and the second sensing electrode are disposed on the bottom surface of the third substrate, the first sensing electrode comprises a plurality of first sensing pads, and the second sensing electrode comprises a plurality of second sensing pads.

9. The switchable touch stereoscopic image device of claim 8, wherein the first sensing pads and the second sensing pads are disposed coplanarly.

10. The switchable touch stereoscopic image device of claim 8, wherein the first sensing pads and the second sensing pads are disposed incoplanarly, and the touch sensing module further comprises an insulating layer disposed between the first sensing pads and the second sensing pads.

11. The switchable touch stereoscopic image device of claim 8, wherein the touch sensing module further comprises a decoration layer disposed peripherally on the bottom surface of the third substrate.