TOUCH SENSIBLE DISPLAY DEVICE

• US 20100117980A1
• Filed: 01/13/2010
• Published: 05/13/2010
• Est. Priority Date: 11/22/2004
• Status: Active Grant

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Pak, Sang-Jin, Uh, Kee-Han, Kim, Hyung-Guel, LEE, Joo-Hyung
• Granted Patent: US 8,300,026 B2
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G02F 1/13312 Circuits comprising photodetectors for purposes other than feedback
• CPC Class Codes: G02F 1/13338 Input devices, e.g. touch panels
• CPC Class Codes: G06F 2203/04106 Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/042 by opto-electronic means

Abstract

A display device according to an embodiment of the present invention includes: a display panel; a plurality of pixels disposed on the display panel; a plurality of sensor data lines disposed on the display panel and disposed between two adjacent pixels; and a plurality of sensing units disposed on the display panel and disposed between two adjacent pixels.

Claims

1. A display device comprising:

a first substrate;

a second substrate facing the first substrate;

a plurality of image scanning lines disposed on the second substrate;

a plurality of image data lines disposed on the second substrate and intersecting the image scanning lines;

a plurality of first thin film transistors connected to the image scanning lines and the image data lines;

a plurality of pixel electrodes coupled to the first thin film transistors;

a plurality of sensor scanning lines disposed on the second substrate;

a plurality of sensor data lines disposed on the second substrate and intersecting the sensor scanning lines; and

a plurality of second thin film transistors connected to the sensor scanning lines and the sensor data lines,

wherein the sensor data lines and the second thin film transistors are disposed between two adjacent pixel electrodes.

2. The display device of claim 1, further comprising:

a plurality of control voltage lines disposed on the second substrate;

a plurality of input voltage lines disposed on the second substrate; and

a plurality of third thin film transistors connected to the control voltage lines and the input voltage lines,

wherein the input voltage lines and the third thin film transistors are disposed between two adjacent pixel electrodes.

3. The display device of claim 2, wherein the input voltage lines are positioned above the sensor data lines.

4. The display device of claim 3, wherein the input voltage lines and the pixel electrodes are constructed using a common layer of material.

5. The display device of claim 2, wherein the image data lines include first data lines adjacent to the second and the third thin film transistors and curve around the second and the third thin film transistors and the sensor data lines.

6. The display device of claim 2, wherein the two adjacent pixel electrodes have different shapes.

7. The display device of claim 1, wherein the first and second thin film transistors are comprised of amorphous silicon or polysilicon.