DISPLAY DEVICE

• US 20150338692A1
• Filed: 10/02/2014
• Published: 11/26/2015
• Est. Priority Date: 05/21/2014
• Status: Abandoned Application

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Inventors: Yu-Jin, KIM
• Application Number:
  US14/504,887
• Publication Number:
  US 20150338692A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G02F 1/133334 Electromagnetic shields
• CPC Class Codes: G02F 1/133512 Light shielding layers, e.g. black matrix G02F1/136209 takes precedence
• CPC Class Codes: G02F 1/133514 Colour filters
• CPC Class Codes: G02F 1/134363 for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
• CPC Class Codes: G02F 1/1368 in which the switching element is a three-electrode device G02F1/136277 takes precedence

Abstract

According to an embodiment of the present system and method, a display device includes first and second panels combined with a light transmitting layer positioned therebetween. The first panel includes a first insulation substrate including a display area and a peripheral area around the display area, a plurality of signal lines positioned in the display area of the first insulation substrate, and a driving circuit integrated in the peripheral area of the first insulation substrate and connected to the plurality of signal lines. The second panel includes a second insulation substrate facing the first insulation substrate, an insulating layer positioned on the second insulation substrate, a conductive low resistance layer positioned on the insulating layer and having lower resistance than the insulating layer, and an overcoat positioned on the low resistance layer and including an insulating material, wherein the low resistance layer includes a first portion facing the driving circuit.

Claims

1. A display device comprising:

a first panel that includes;

a first insulation substrate including a display area and a peripheral area around the display area,

a plurality of signal lines positioned in the display area, and

a driving circuit integrated in the peripheral area and connected to the plurality of signal lines;

a second panel that includes;

a second insulation substrate facing the first insulation substrate,

an insulating layer positioned on the second insulation substrate,

a conductive low resistance layer positioned on the insulating layer and having lower resistance than the insulating layer, and

an overcoat positioned on the low resistance layer and including an insulating material; and

a light transmitting layer,

wherein the low resistance layer includes a first portion facing the driving circuit, and the first and second panels are combined with the light transmitting layer positioned therebetween.

2. The display device of claim 1, further comprising

a first electrode and a second electrode positioned on the first insulation substrate,

wherein the first electrode and the second electrode are capable of forming an electric field according to an image signal between the first insulation substrate and the second insulation substrate.

3. The display device of claim 2, wherein

the first portion covers substantially most of the peripheral area.

4. The display device of claim 3, further comprising

a color filter positioned between the low resistance layer and the overcoat.

5. The display device of claim 2, wherein

the low resistance layer includes an opening corresponding to the display area.

6. The display device of claim 5, further comprising

a short portion positioned between the first insulation substrate and the second insulation substrate,

wherein the short portion is connected to the low resistance layer.

7. The display device of claim 6, further comprising

a voltage wire positioned on the first insulation substrate and transmitting a predetermined voltage,

wherein the short portion is connected to the voltage wire.

8. The display device of claim 7, wherein

the overcoat includes a contact hole exposing the low resistance layer.

9. The display device of claim 8, further comprising

a color filter positioned between the low resistance layer and the overcoat.

10. The display device of claim 9, wherein

the driving circuit generates a gate signal including a gate-on voltage and a gate-off voltage.

11. The display device of claim 2, wherein

the low resistance layer further includes a second portion positioned in the display area, and

the second portion is connected to the first portion.

12. The display device of claim 11, further comprising

a color filter positioned between the low resistance layer and the overcoat.

13. The display device of claim 11, wherein:

the insulating layer includes a first light blocking portion positioned in the peripheral area and a second light blocking portion positioned in the display area;

the second light blocking portion includes a plurality of first openings; and

the second portion includes a second opening facing the first openings.

14. The display device of claim 13, further comprising

a short portion positioned between the first insulation substrate and the second insulation substrate, and

the short portion is connected to the low resistance layer.

15. The display device of claim 14, further comprising

a voltage wire positioned on the first insulation substrate and transmitting a predetermined voltage,

wherein the short portion is connected to the voltage wire.

16. The display device of claim 15, wherein

the overcoat includes a contact hole exposing the low resistance layer.

17. The display device of claim 16, further comprising

a color filter positioned between the low resistance layer and the overcoat.

18. The display device of claim 17, wherein

the driving circuit generates a gate signal including a gate-on voltage and a gate-off voltage.

19. The display device of claim 1, further comprising

a color filter positioned between the low resistance layer and the overcoat.

20. The display device of claim 1, wherein

the driving circuit generates a gate signal including a gate-on voltage and a gate-off voltage.