Patent classifications
C09K2323/00
Compensation film and optical film, and display device
A compensation film includes: a first retardation layer including a polymer; a second retardation layer including a liquid crystal having positive birefringence; and a compensation layer including a liquid crystal having a vertical alignment property, where an angle between slow axes of the first and second retardation layers is in a range of about 85 to about 95 degrees, an entire in-plane retardation (R.sub.e0) of the first retardation layer, the second retardation layer and the compensation layer for wavelengths of 450 nm, 550 nm and 650 nm satisfy the following inequation: R.sub.e0(450 nm)<R.sub.e0(550 nm)<R.sub.e0(650 nm), an in-plane retardation (R.sub.e3) of the compensation layer for the incident light having a wavelength of about 550 nm is in a range of about zero to about 50 nm, and a thickness direction retardation (R.sub.th3) of the compensation layer for the incident light is less than zero.
Liquid crystal display device and method for manufacturing same
The present invention relates to a liquid crystal display device including a pair of a substrate arranged opposite to each other, an electrode group disposed on one side or both sides of the pair of substrates facing each other, a plurality of active devices connected to the electrode group, a liquid crystal alignment film disposed on each facing side of the pair of substrates, and a liquid crystal layer interposed between the pair of substrates, wherein the liquid crystal alignment film is manufactured by irradiating linearly polarized light to a film obtained from polyamic acid or a derivative thereof having a photoisomerization structure in the main chain or a film being subject to heat-baking so as to provide alignment-controlling capability, and the liquid crystal layer is a liquid crystal composition having negative (−) dielectric anisotropy. By the present invention, a liquid crystal display device having improved image sticking characteristics and good alignment stability is provided.
Pressure sensitive adhesive composition
The present invention relates to a pressure sensitive adhesive composition, a protective film for optical elements, an optical element and a liquid crystal display device. The present invention may provide a pressure sensitive adhesive composition and a protective film for optical elements, having a high peel force at a low rate and a low peel force at a high rate, the balance of which is excellently maintained and showing excellent wettablity to an adherend, durability, repeelability, transparency and antistatic performance.
Flexible display module, flexible display device and method for preparing the flexible display module
A flexible display module according to the present application includes a number of module material layers superposed; and at least one strain isolation layer disposed between the two adjacent the module material layers. The strain isolation layer includes a chamber and an elastic material layer surrounding an outer periphery of the chamber.
DISPLAY PANEL AND DISPLAY DEVICE
A liquid crystal medium composition is provided with a negative liquid crystal material; at least one polymerizable monomer which is polymerized under a UV irradiation; and at least one alignment assistant including a polar portion and a non-polar portion. The polar portion is connected with the non-polar portion by a bonding group. The liquid crystal medium composition can achieve the vertical alignment without the PI alignment layer by improving the liquid crystal material.
Optical film, lamination-type optical film, and aerial imaging device including lamination-type optical film
An optical film includes a cholesteric liquid crystal layer formed in a stripe-shaped pattern in which an optically anisotropic region having optical anisotropy and an optically isotropic region having optical isotropy are alternately disposed, a helical axis of a cholesteric liquid crystal in the optically anisotropic region is oriented in one axial direction tin a plane of the optical film, and the helical axis is oriented in a normal direction t of a boundary surface between the optically anisotropic region and the optically isotropic region.
POLYMERIZABLE COMPOSITION, WAVELENGTH CONVERSION MEMBER, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE
A polymerizable composition provides a high brightness and suppressed decrease in brightness in an outer peripheral region when used in a wavelength conversion member, a wavelength conversion member, a backlight unit, and a liquid crystal display device. The polymerizable composition includes quantum dots having surfaces coordinated with a ligand, a polymerizable compound, and a dispersant, in which the ligand is a molecule that includes a saturated hydrocarbon chain having 6 or more carbon atoms and a coordinating group, a Log P value of the polymerizable compound is 3.0 or lower, the dispersant has a nonpolar and a polar portion in a molecule, and the nonpolar portion is at least one selected from the group consisting of a saturated hydrocarbon chain having 6 or more carbon atoms, an aromatic ring, and a saturated aliphatic ring. The wavelength conversion member, the backlight unit, and the liquid crystal display device include the polymerizable composition.
Optical film, polarizing plate equipped with the optical film, liquid crystal display device, and method for producing an optical film
An optical film (polarizing plate protecting film) is equipped with a substrate and a hard coat layer provided on the substrate. The hard coat layer is a layer obtained by curing a photocurable composition on the substrate. The photocurable composition includes an epoxide represented by Chemical Formula I below, a bisphenol compound, and a cationic photopolymerization initiator. ##STR00001##
PRE-COMPRESSED GLASS ARTICLE
Glass articles comprising an outer region extending from an outer surface of the glass article to a depth of layer and methods of making the same are described. The outer region is bounded by at least one edge of the glass article and is under an intrinsic neutral stress or an intrinsic compressive stress. A core region of the glass article is under a tensile stress. A compressive element applies an external compressive stress to the at least one edge and increases the intrinsic stress on the outer region and reduces the tensile stress in the core region of the glass article. The glass article may be a strengthened glass article such that the outer region is under compressive stress, and the external compressive stress applied by the compressive element has a magnitude such that the glass article has an overall internal stress defined by:
∫.sub.0.sup.tσdt≠0
where t is a thickness of the glass article and σ is the internal stress.
QUANTUM DOT DISPLAY APPARATUS AND MANUFACTURING METHOD THEREOF
The present disclosure provides a quantum dot display apparatus. By adding quantum dot display technology of the present disclosure can provide sophisticated quantum dot patterns in the color filter layer and have higher resolution, color saturation and color gamut of the display apparatus, the well structure and manufacture is simple. The disclosure also provides a manufacturing method of a quantum dot display apparatus, the methods includes exposure, coating, developing process of the existing color filter to contain the surface modified red and green quantum dot resin composition with more sophisticated patterns, and making high resolution, color saturation and color gamut quantum dot display apparatus, the material preparation and fabrication process of this manufacturing method is simple, less waste of materials, low production cost, suitable for mass production.