HARD COATING FILM AND FLEXIBLE DISPLAY WINDOW INCLUDING TOUCH SENSOR USING THE SAME

• US 20180024592A1
• Filed: 07/20/2017
• Published: 01/25/2018
• Est. Priority Date: 07/22/2016
• Status: Abandoned Application

• Current Assignee: Dongwoo Fine-Chem Co., Ltd. (Sumitomo Chemical Company Ltd.)
• Original Assignee: Dongwoo Fine-Chem Co., Ltd. (Sumitomo Chemical Company Ltd.)
• Inventors: LIM, Geo San, KIM, Sung Min, CHOI, Han Young
• Application Number:
  US15/654,794
• Publication Number:
  US 20180024592A1
• Time in Patent Office: Days
• CPC Class Codes: B32B 27/16 specially treated, e.g. irradiated
• CPC Class Codes: C08J 2379/08 Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
• CPC Class Codes: C08J 2433/14 of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
• CPC Class Codes: C08J 7/0427 with only one layer of a composition containing a polymer binder with more layers C08J7/042
• CPC Class Codes: C08J 7/044 Forming conductive coatings; Forming coatings having anti-static properties
• CPC Class Codes: C08J 7/046 Forming abrasion-resistant coatings; Forming surface-hardening coatings
• CPC Class Codes: C09D 5/00 Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced electrically insulating plastics, resins or waxes H01B3/30; Filling pastes
• CPC Class Codes: G06F 2203/04102 Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
• CPC Class Codes: G06F 3/041 Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
• CPC Class Codes: H10K 59/40 OLEDs integrated with touch screens
• CPC Class Codes: H10K 77/111 Flexible substrates
• CPC Class Codes: Y02E 10/549 Organic PV cells
• CPC Class Codes: Y10T 428/25 Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles

Abstract

The present invention relates to a hard coating film used as a film for a flexible display window including a touch sensor and a flexible display window including a touch sensor using the same, and particularly, to a hard coating film having a surface resistance of 5*10¹¹ Ω/sq to 5*10¹³ Ω/sq.

Claims

1. A hard coating film used as a film for a flexible display window comprising a touch sensor, wherein the hard coating film has a surface resistance of 5*10¹¹ Ω

/sq to 5*10¹³ Ω

/sq.

2. The hard coating film according to claim 1, wherein the hard coating film has a pencil hardness of 5H or higher.

3. The hard coating film according to claim 1, wherein the hard coating film comprises a cured product of a hard coating composition comprising a lithium ion compound.

4. The hard coating film according to claim 3, wherein the lithium ion compound is included at a content of 0.1 to 10 wt % with respect to 100 wt % of the entire hard coating composition.

5. The hard coating film according to claim 3, wherein the hard coating composition further comprises one or more selected from the group consisting of a photocurable resin, a solvent and a photoinitiator.

6. The hard coating film according to claim 3, wherein the hard coating composition further comprises an inorganic nanoparticle.

7. The hard coating film according to claim 5, wherein the photocurable resin is 1 to 80 parts by weight with respect to 100 parts by weight of the entire hard coating composition.

8. The hard coating film according to claim 5, wherein the solvent is 10 to 95 wt % with respect to 100 wt % of the entire hard coating composition.

9. The hard coating film according to claim 5, wherein the photoinitiator is 0.1 to 10 wt % with respect to 100 wt % of the entire hard coating composition.

10. A flexible display window comprising a touch sensor using the hard coating film according to claim 1.

11. An image display device having the flexible display window including a touch sensor according to claim 10.