B32B2457/202

Display module, display device, and method of manufacturing the same
09807898 · 2017-10-31 · ·

A method of manufacturing a display device includes forming on a first substrate a display element and a metal layer surrounding the display element, the metal layer including a first portion having a first width and a second portion having a second width less than the first width, forming on a second substrate a sealing member surrounding the display element, the sealing member including a first sealing portion having a first forming width and a second sealing portion having a second forming width greater than the first forming width, arranging the first substrate and the second substrate such that the sealing member on the second substrate faces the first substrate, the first sealing portion overlaps the first portion of the metal layer, and the second sealing portion overlaps the second portion of the metal layer, and sealing the first and second substrates by melting and curing the sealing member.

LAMINATES HAVING PERFORATED STRUCTURAL BODY
20220056316 · 2022-02-24 · ·

A laminate is provided which includes a structural body including a base portion and a through hole and which can concurrently satisfy operability and stickiness during processes such as fitting, can be released with no or little adhesive residue, and also exhibits excellent adhesion to various adherends, especially metals. The laminate includes a substrate and a structural body disposed on the surface of at least one side of the substrate, the structural body including a base portion and a through hole. The base portion of the structural body includes an acrylic triblock copolymer (I) that includes two polymer blocks (A1) and (A2) each including methacrylic acid ester units and one polymer block (B) including acrylic acid ester units represented by the general formula CH.sub.2═CH—COOR.sup.1 (1) (wherein R.sup.1 denotes a C1-C3 organic group). The acrylic triblock copolymer (I) has an (A1)-(B)-(A2) block structure and a weight average molecular weight of 50,000 to 250,000. The total content of the polymer blocks (A1) and (A2) is not more than 35 mass % of the acrylic triblock copolymer (I).

LAMINATES HAVING PERFORATED STRUCTURAL BODY
20220055361 · 2022-02-24 · ·

A laminate is provided which includes a substrate and a structural body including a base portion and a through hole and which can concurrently satisfy stickiness and releasability and can be released with no or little adhesive residue. The laminate includes a substrate and a structural body disposed on the surface of at least one side of the substrate, the structural body including a base portion and a through hole. The base portion of the structural body includes an acrylic triblock copolymer (I) and no tackifier resins or includes an acrylic triblock copolymer (I) and a tackifier resin in a tackifier resin/(I) mass ratio of not more than 20/100. The acrylic triblock copolymer (I) includes two polymer blocks (A1) and (A2) each including methacrylic acid ester units and one polymer block (B) including acrylic acid ester units represented by the general formula CH.sub.2═CH—COOR.sup.1 (1) (wherein R.sup.1 denotes a C4-C12 organic group). The acrylic triblock copolymer (I) has an (A1)-(B)-(A2) block structure and a weight average molecular weight of 50,000 to 250,000. The total content of the polymer blocks (A1) and (A2) is not more than 35 mass % of the acrylic triblock copolymer (I).

MATERIALS FOR ELECTRONIC DEVICES
20170309834 · 2017-10-26 ·

The present invention relates to an electronic device comprising anode, cathode and at least one organic layer which comprises a compound of the formula (I) to (IV). The invention furthermore encompasses the use of compounds of the formula (I) to (IV) in an electronic device and to a compound of the formula (Ic) to (IVc).

REGIOSELECTIVELY SUBSTITUTED CELLULOSE ESTERS AND FILMS MADE THEREFROM

Regioselectively substituted cellulose esters having a plurality of pivaloyl substituents and a plurality of aryl-acyl substituents are disclosed along with methods for making the same. Such cellulose esters may be suitable for use in films, such as +A optical films, and/or +C optical films. Optical films prepared employing such cellulose esters have a variety of commercial applications, such as, for example, as compensation films in liquid crystal displays and/or waveplates in creating circular polarized light used in 3-D technology.

ADHESIVE FILM, OPTICAL MEMBER COMPRISING THE SAME AND OPTICAL DISPLAY COMPRISING THE SAME

An adhesive film, an optical member including the same, and an optical display including the same are provided. An adhesive film includes a (meth)acrylic copolymer including a hydroxyl group and formed of a monomer mixture including a hydroxyl group-containing (meth)acrylate and an alkyl group-containing (meth)acrylate. The adhesive film has a glass transition temperature of about −35° C. or less and allows about 50,000 cycles or more of bending before delamination between the adhesive film and a PET film, cracking, or bubble generation occurs in a specimen as described herein.

Optical films, retardation films, and liquid crystal display comprising the same

The present invention relates to an optical film that comprises a block copolymer that comprises a vinyl polymer block containing styrene or a derivative thereof, and a poly-dimethylsiloxane block, a retardation film using the same, a method of manufacturing them, and a liquid crystal display comprising the films.

Acrylic adhesive composition

The invention relates to an acrylic adhesive composition, more particularly, to an adhesive composition which: specifies the contents of a (meth)acrylic ester-based monomer and an aromatic group-containing monomer of an acrylic copolymer as a composition having little or no difference of birefringence; has excellent durability; and can reduce light leakage due to flexure by mixing a crosslinkable functional group-containing acrylic copolymer (A) and an acrylic copolymer (B) which does not contain the crosslinkable functional group, in a ratio of 1:9 to 5:5.

Composition for forming thermoset film having photo alignment properties

A material from which a cured film exhibiting high solvent resistance, liquid crystal-alignment performance, heat resistance and high transparency can be formed. A composition for forming a thermoset film having photo alignment properties, the composition comprising: a component (A) that is an acrylic copolymer having a photodimerizing moiety and a thermal cross-linking moiety; a component (B) that is an acrylic polymer having at least one of a C.sub.2-5 alkyl ester group and a C.sub.2-5 hydroxyalkyl ester group and at least one of a carboxy group and a phenolic hydroxy group; and a component (C) that is a cross-linking agent.

Optical pressure-sensitive adhesive sheet, liquid crystal display and input device comprising the same

The present invention provides an excellent optical pressure-sensitive adhesive sheet having an excellent adhesion property to an optical member. The present invention relates to an optical pressure-sensitive adhesive sheet comprising a pressure-sensitive adhesive layer, wherein a relative dielectric constant at a frequency of 1 MHz is 5 to 10, and an adhesion strength to a glass, which is measured with a peel angle of 180° and a tensile speed of 300 mm/min after 30 min of laminating the optical pressure-sensitive adhesive sheet to the glass, is 3 N/20 mm to 15 N/20 mm.