# US 11,897,235 B2 · Polymer resin, window module including the same, and display apparatus including the same

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- Number: US 11,897,235 B2
- Document ID: US11897235B2
- Status: Granted
- Kind: B2
- Application number: 17/885,873
- Filed: 2022-08-11
- Published: 2023-01-05
- Granted: 2024-02-13
- Earliest claimed: 2019-05-16
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., LTD.
- Inventors: Ji Won Choi; Sangeun Moon; Dongho Kim; Sookkyung Yoo
- Web page: https://patentgrep.com/patent/US11897235B2

## CPC

- B32B 27/308: {comprising acrylic (co)polymers}
- B32B 7/12: using interposed adhesives or interposed materials with bonding properties
- B32B 15/04: comprising metal as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a bituminous or tarry layer B32B11/08; next to a water-setting substance layer B32B13/06; next to a glass layer B32B17/061; next to a cellulosic plastic layer B32B23/042)}
- B32B 27/06: as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a layer of a particular substance B32B9/045; next to a bituminous or tarry layer B32B11/046; next to a water setting substance layer B32B13/12; next to a metal layer B32B15/08; next to a glass layer B32B17/10; next to a layer formed of natural mineral fibres or particles B32B19/045; next to a wood layer B32B21/08; next to a cellulosic plastic layer B32B23/08; next to a natural or synthetic rubber layer B32B25/08)}
- B32B 38/145: {Printing}
- C08F 212/08: Styrene
- C08F 220/1811: {C10or C11-(Meth)acrylate, e.g. isodecyl (meth)acrylate, isobornyl (meth)acrylate or 2-naphthyl (meth)acrylate}
- C08F 220/281: {and containing only one oxygen, e.g. furfuryl (meth)acrylate or 2-methoxyethyl (meth)acrylate}
- C08F 220/325: {containing glycidyl radical, e.g. glycidyl (meth)acrylate}
- C08G 18/6229: {Polymers of hydroxy groups containing esters of acrylic or methacrylic acid with aliphatic polyalcohols}
- C08G 18/73: acyclic
- C08G 18/8061: {masked with compounds having only one group containing active hydrogen}
- C08K 3/30: Sulfur-, selenium- or tellurium-containing compounds
- C09D 133/066: {containing -OH groups}
- C09D 133/068: {containing glycidyl groups}
- B32B 2255/10: on synthetic resin layer or on natural or synthetic rubber layer
- B32B 2305/72: Cured, e.g. vulcanised, cross-linked
- B32B 2307/4023: on the layer surface, e.g. ink
- B32B 2307/412: Transparent
- B32B 2307/416: Reflective
- B32B 2307/42: Polarizing, birefringent, filtering
- B32B 2307/584: Scratch resistance
- B32B 2307/714: Inert, i.e. inert to chemical degradation, corrosion
- B32B 2457/20: Displays, e.g. liquid crystal displays, plasma displays
- B32B 2457/204: Plasma displays
- B32B 2457/206: Organic displays, e.g. OLED
- C08F 2800/10: as molar percentages
- C08K 2003/3045: {Sulfates}
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- C08F: MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09)
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)

## Abstract

A window module including a window, a first print layer, an ink layer, and a protective layer covering the ink layer. The protective layer includes a polymer resin polymerized from monomers including a first monomer which is an acrylic monomer substituted with a hydroxy group, a second monomer having an epoxy group, and at least one of a third monomer having a substituted or unsubstituted phenyl group or a fourth monomer which is an acrylic monomer having a substituted or unsubstituted bicyclic alkyl group, and thus, has excellent durability, chemical resistance, and abrasion resistance.

## Claims

### Claim 1

A display apparatus comprising:
a window module having thereon a bezel region including a semi-transmissive region through which infrared light is transmitted and a non-transmissive region surrounding the semi-transmissive region, and a transmissive region adjacent to the bezel region;
an infrared light detection sensor overlapping the semi-transmissive region; and
a display panel overlapping the transmissive region and a portion of the bezel region, wherein
the window panel includes:
a window;
a first print layer disposed on the non-transmissive region;
an ink layer disposed in the semi-transmissive region and including a base resin and at least one of a pigment or a dye dispersed in the base resin; and
a protection layer covering the ink layer, wherein
the protective layer includes a polymer resin polymerized from monomers including a first monomer which is an acrylic monomer substituted with a hydroxy group, a second monomer having an epoxy group, and at least one of a third monomer having a substituted or unsubstituted phenyl group or a fourth monomer which is an acrylic monomer having a substituted or unsubstituted bicyclic alkyl group.

### Claim 2 (depends on 1)

The display apparatus of claim 1, wherein the first monomer to the fourth monomer are respectively represented by Formula 1 to Formula 4:
in Formula 1 to Formula 4,
R1, R5, and R8 are each independently a hydrogen atom or a methyl group,
each R3, R4, and R7 are independently a hydrogen atom or a methyl group,
R2 is a hydroxy group or a hydroxymethyl group, and
each R6 is independently a hydrogen atom, or a substituted or unsubstituted alkyl group having 1 to 5 carbon atoms.

### Claim 3 (depends on 1)

The display apparatus of claim 1, further comprising a second print layer disposed on the first print layer,
wherein the ink layer includes a first portion disposed in the semi-transmissive region and a second portion extended from the first portion and disposed in the non-transmissive region.

### Claim 4 (depends on 1)

The display apparatus of claim 1, wherein the polymer resin is polymerized in the presence of at least one cross-linking agent, the crosslinking agent comprising an isocyanate group or an amine group through which crosslinking occurs.

### Claim 5

A polymer resin polymerized from monomers and a cross-linking agent,
wherein the monomers include a first monomer represented by Formula 1 below, a second monomer represented by Formula 2 below, a third monomer represented by Formula 3 below, and a fourth monomer represented by Formula 4 below, and
wherein the cross-linking agent includes at least one of an isocyanate-based cross-linking agent or an amine-based cross-linking agent:
in Formula 1 to Formula 4,
R1, R5, and R8 are each independently a hydrogen atom or a methyl group,
each R3, R4, and R7 are independently a hydrogen atom or a methyl group,
R2 is a hydroxy group or a hydroxymethyl group,
each R6 is independently a hydrogen atom, or a substituted or unsubstituted alkyl group having 1 to 5 carbon atoms.

### Claim 6 (depends on 5)

The polymer resin of claim 5, wherein
the first monomer comprises at least one of hydroxyethyl acrylate, hydroxyethyl methacrylate, or hydroxypropyl acrylate,
the second monomer is a bisphenol-A type epoxy monomer,
the third monomer comprises at least one of isopropenyl benzene or t-butyl styrene, and
the fourth monomer comprises at least one of isobornyl acrylate or isobornyl methacrylate.

### Claim 7 (depends on 1)

The display apparatus of claim 1, wherein the protective layer has a visible light transmittance of 99% or greater.

### Claim 8 (depends on 1)

The display apparatus of claim 1, wherein the ink layer is disposed between the window and the protective layer, and the protective layer and the ink layer together define a semi-transmissive region that selectively transmits infrared light.