ELECTRODE MEMBER AND TOUCH WINDOW INCLUDING THE SAME

• US 20160011703A1
• Filed: 07/11/2015
• Published: 01/14/2016
• Est. Priority Date: 07/11/2014
• Status: Active Grant

• Current Assignee: LG Innotek Company Limited (LG Corporation)
• Original Assignee: LG Innotek Company Limited (LG Corporation)
• Inventors: PARK, Dong Wook, PARK, Duck Hoon, AHN, Myoung Soo
• Granted Patent: US 9,921,709 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G06F 2203/04103 Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
• CPC Class Codes: G06F 2203/04112 Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/0445 using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
• CPC Class Codes: G06F 3/047 using sets of wires, e.g. crossed wires
• CPC Class Codes: H05K 1/097 Inks comprising nanoparticles and specially adapted for being sintered at low temperature H05K1/095 takes precedence
• CPC Class Codes: H05K 2201/0145 Polyester, e.g. polyethylene terephthalate [PET], polyethylene naphthalate [PEN]
• CPC Class Codes: H05K 2201/10128 Display
• CPC Class Codes: H05K 2203/107 Using laser light shaping a substrate by laser ablation H05K3/0026

Abstract

The electrode member according to the embodiment includes: a substrate; and an electrode part on the substrate, wherein the electrode part includes a sensing electrode and a wire electrode, at least one electrode of the sensing electrode and the wire electrode includes an opening part and the electrode part has a black color.

Claims

1. An electrode member comprising:

a substrate; and

an electrode part on the substrate,

wherein the electrode part includes a sensing electrode and a wire electrode, at least one of the sensing electrode and the wire electrode includes an opening part, and the electrode part includes an electrode material having a black color.

2. The electrode member of claim 1, wherein the electrode material has a psychrometric lightness (L*) of 60 or less.

3. The electrode member of claim 1, wherein the electrode part including the sensing electrode and the wire electrode includes at least one of Cr, Ni, Cu, Al, Ag, Mo, Au, Ti and an alloy thereof.

4. The electrode member of claim 3, wherein at least one of the sensing electrode and the wire electrode is arranged in a form of a mesh.

5. The electrode member of claim 4, wherein the electrode part includes a pattern part and a non-pattern part, and the electrode material is disposed on the pattern part.

6. The electrode member of claim 5, wherein the pattern part includes at least one of an embossed pattern part and an engraved pattern part.

7. The electrode member of claim 5, wherein the pattern part has a height of 1 μ

m to 6 μ

m, and the electrode material is arranged to have a height of 70% to 90% based on the height of the pattern part.

8. The electrode member of claim 5, wherein the sensing electrode and the wire electrode include an embossed pattern part or an engraved pattern part.

9. The electrode member of claim 5, wherein the sensing electrode includes an engraved pattern part and the wire electrode includes an embossed pattern part.

10. The electrode member of claim 5, wherein the sensing electrode includes an embossed pattern part and the wire electrode includes an engraved pattern part.

11. The electrode member of claim 1, wherein the electrode part includes at least two electrode materials, and at least one of the electrode materials has a black color.

12. The electrode member of claim 11, wherein at least one of the electrode materials has a psychrometric lightness (L*) of 60 or less.

13. The electrode member of claim 12, wherein the electrode part includes a pattern part and a non-pattern part, the electrode material includes a first electrode material and a second electrode material disposed on the pattern part, and the psychrometric lightness (L*) of the first electrode material is different from the psychrometric lightness of the second electrode material.

14. The electrode member of claim 12, wherein the first electrode material is disposed on the pattern part, the second electrode material is disposed on the first electrode material, and the psychrometric lightness (L*) of the second electrode material is lower than the psychrometric lightness (L*) of the first electrode material.

15. The electrode member of claim 13, wherein the electrode material further includes a third electrode material, the first electrode material is disposed on the pattern part, the second electrode material is disposed on the first electrode material, the third electrode material is disposed on the second electrode material, and the psychrometric lightness (L) of the first electrode material and the third electrode material are lower than the psychrometric lightness (L*) of the second electrode material.

16. The electrode member of claim 3, wherein the pattern part has a height of 1 μ

m to 6 μ

m, and the electrode material is arranged in a height of 70% to 90% based on the height of the pattern part.

17. The electrode member of claim 3, wherein a first electrode material is arranged higher than a second electrode material.

18. The electrode member of claim 3, wherein the pattern part includes at least one of an embossed pattern part and an engraved pattern part.

19. A touch window comprising:

a first substrate; and

a second electrode on the first substrate,

wherein an electrode member according to claim 1 is disposed on at least one of the first substrate and the second substrate.

20. A touch device comprising:

a touch window according to claim 19; and

a driving part on the touch window.