Patent classifications
B32B2457/202
DOUBLE-SIDED OPTICALLY CLEAR ADHESIVE AND MULTILAYER STRUCTURE INCLUDING THE SAME
A double-sided optically clear adhesive is provided. The double-sided optically clear adhesive includes a first adhesive layer and a second adhesive layer. The first adhesive layer includes a first resin and a first thermal-crosslinking agent. The first resin includes a hydroxyl group. The first thermal-crosslinking agent includes a first group. The second adhesive layer includes a second resin and a second thermal-crosslinking agent. The second resin includes a hydroxyl group. The second thermal-crosslinking agent includes a second group. The ratio of the equivalent number of the first group of the first thermal-crosslinking agent to the equivalent number of the hydroxyl group of the first resin is represented by r1. The ratio of the equivalent number of the second group of the second thermal-crosslinking agent to the equivalent number of the hydroxyl group of the second resin is represented by r2, wherein r1<r2≤0.8 and r2−r1≤0.025.
White polyester film
A white polyester film is described that includes at least a layer including, as a main component, a polyester resin (A), a thermoplastic resin (B) incompatible with the polyester resin (A), and an inorganic particle (C), where the white polyester film achieves high reflectance and a concealing property without increasing the thickness of the reflective film, the layer including voids in which the thermoplastic resin (B) functions as nuclei, wherein in a vertical section of the white film, NB2/NB1×100 (%) is 15% or more, wherein NB1 represents the number of the nuclei of the thermoplastic resin (B), and NB2 represents the number of the sections of the thermoplastic resin (B), the sections including the inorganic particle (C) inside.
ADHESIVE COMPOSITIONS AND KITS FOR APPLICATION OF SCREEN PROTECTORS
A screen protector application kit includes a glass-based substrate (110) having an adhesive belt (270) and an adhesive container (478) of an uncured adhesive composition. The adhesive belt (270) includes a first major surface (272) adhered to the glass-based substrate (110), a second major surface (274), a distal edge (276) extending between the first major surface (272) and the second major surface (274), and a proximal edge (278) extending between the first major surface (272) and the second major surface (274). The uncured adhesive composition includes 30 wt % to 99.9 wt % of at least one of: (i) a monomer; and (ii) an oligomer; and 0.01 wt % to 10 wt % of a visible-light photoinitiator. The uncured adhesive composition may further include 0.1 wt % to 10 wt % of a co-initiator. The uncured adhesive composition may further include 0.1 wt % to 5 wt % of an oxygen inhibitor.
REWORKABLE OPTICALLY CLEAR ADHESIVE COMPOSITIONS
Described herein is a reworkable optically clear adhesive composition comprising: a hot melt adhesive present in an amount of at least about 40 wt. %; a pressure sensitive adhesive present in an amount of at 5 least about 10 wt. %; and titanium dioxide nanoparticles present in an amount of up to about 5 wt. %; wherein the weight percentage of each component is based on the total weight of solids of the adhesive composition. Also described herein is a display for an electronic device comprising the reworkable optically clear adhesive composition and a method of producing the display for an 10 electronic device.
LIQUID CRYSTAL WINDOW BONDING AND SEALING
Described herein are liquid crystal (LC) assemblies that are dimmable and techniques for manufacturing LC assemblies. In one example, an LC assembly comprises: a first curved glass panel, a second curved glass panel, and a liquid crystal panel having a first outer surface and a second outer surface, a layer of a liquid adhesive attaching the first curved glass panel and the first outer surface of the liquid crystal panel, and a film adhesive attaching the second curved glass panel and the second outer surface of the liquid crystal panel.
POLYAMIDE-BASED COMPOSITE FILM AND DISPLAY DEVICE COMPRISING THE SAME
The embodiments relate to a polyamide-based composite film that has excellent curl characteristics, mechanical properties, and optical properties, as well as, in particular, is effective in preventing reflection in the visible light region, remarkably reduces the rainbow phenomenon, and achieves a texture similar to that of glass, and a display device comprising the same. There are provided a polyamide-based composite film, which comprises a base film comprising a polyamide-based polymer; and a functional layer disposed on the base film, wherein the in-plane retardation (Re) measured with light having a wavelength of 550 nm is 100 nm to 220 nm, and a display device comprising the same.
Mobile terminal
In order to satisfy a demand for various shapes of windows of a mobile terminal and manufacture a mobile terminal with a low price, provided is a mobile terminal comprising a display panel and a window assembly disposed on the front surface of the display panel, wherein the window assembly comprises: an outer window forming a front outer appearance; an inner window disposed on the rear surface of the outer window while having a space between the outer window and the inner window; and a resin disposed in the space to fix the outer window to the inner window.
Electromagnetic wave shielding sheet and printed wiring board
An electromagnetic wave shielding sheet according to the disclosure is configured by a protection layer, a metal layer, and a conductive adhesive layer. The metal layer has a plurality of openings, and an aperture ratio of the opening is 0.1%-20%. In addition, a tensile breaking strength of the electromagnetic wave shielding sheet is 10 N/20 mm-80 N/20 mm.
REMOVABLE ADHESIVE MEMBER AND DISPLAY DEVICE USING THE SAME
A removable adhesive member and a display device using the same is provided. The removable adhesive member includes a first adhesive section, a first connecting section, and a tearing portion. The two opposite surfaces of the first adhesive section respectively adhere to the two objects. The first connecting section is connected to the first adhesive section. The first connecting section includes a first adhesive layer and two first protective layers. One side of the first adhesive section extends to form the first adhesive layer. The first protective layers are respectively laminated to two opposite surfaces of the first adhesive layer. The tearing portion is connected to the first adhesive section through the first connecting section, thereby avoiding rupture in pulling the tearing portion. The tearing portion is conveniently pulled up by a user, such that the first adhesive section removes from the objects to disassemble the objects.
Liquid crystal display device
An alignment film is given a 2-layer structure comprising a photoalignment film that is photoalignable and a low-resistivity alignment film whose resistivity is smaller than that of the photoalignment film. The photoalignment film is formed by a polyimide whose precursor is polyamide acid alkyl ester, the number molecular weight of the photoalignment film is large, and the stability of alignment of the photoalignment film by photoalignment is excellent. The low-resistivity alignment film is formed by a polyimide whose precursor is polyamide acid, the number molecular weight of the low-resistivity alignment film is small, and the resistivity of the low-resistivity alignment film is small. The 2-layer structure alignment film can be maintaining an excellent photoalignment characteristic, so DC afterimages can be controlled.