A camera module containing a molded part (e.g., generally planar base, lens barrel mounted on the base, etc.) that is formed form a polymer composition is provided. The polymer composition includes a liquid crystalline polymer and inorganic particles that have a hardness value of about 2.5 or more based on the Mohs hardness scale.

Provided is an optically anisotropic film exhibiting reverse wavelength dispersibility with excellent thickness-direction phase differences, a laminate, a circularly polarizing plate, and a display device. The optically anisotropic film of an embodiment of the present invention satisfies the following Requirements 1 to 4. Requirement 1: In a case of irradiation with P-polarized light and S-polarized light, which are linearly polarized light perpendicular to each other, from a direction inclined by 45° from a normal direction of a film surface of the optically anisotropic film, an absorption intensity ratio in a case of irradiation with S-polarized light to an absorption intensity in a case of irradiation with P-polarized light is 1.02 or more in an absorption intensity at a wavelength having a largest absorption in a wavelength range of 700 to 900 nm. Requirement 2: Re(550)<10 nm, Requirement 3: Re(800)<10 nm, Requirement 4: Rth(450)/Rth(550)<1,

An aromatic liquid crystal polyester, having repeating units represented by formulae (1) and (2), respectively:

##STR00001##

where R′, Ar.sub.1, Ar.sub.2, Ar.sub.3, X, Y.sub.1, Y.sub.2 and Z are those as defined in the specification.

Also, a liquid crystal polyester composition including the aromatic liquid crystal polyester and a solvent. The composition has an improved viscosity stability. Also, a liquid crystal polyester film prepared from the liquid crystal polyester composition and a method for manufacturing the same. The liquid crystal polyester film according to the present disclosure has excellent properties such as a low hygroscopicity and a low dissipation factor (Df).

An object is to provide a method for producing a liquid-crystal polyester processed product, the method improving the adhesion of a liquid-crystal polyester resin, which is a poorly adhesive resin. As a solution, a method for producing a liquid-crystal polyester processed product, including a step (I) of performing an oxidation treatment on a surface of a liquid-crystal polyester resin formed body including a repeating unit represented by general formula (1), is provided.

The present invention provides a liquid crystal polymer film having good smoothness and surface properties and having reduced anisotropy. In addition, the present invention provides a substrate for high-speed communication relating to the liquid crystal polymer film. The liquid crystal polymer film of the present invention includes a liquid crystal polymer component and at least one component selected from the group consisting of an olefin component, a cross-linking component, and a compatible component.

The present disclosure relates to a liquid crystal polyester resin composition and an electronic component material comprising the same with low dust characteristics. Specifically, the present disclosure relates to a liquid crystal polyester resin composition for preventing dust generation comprising 65% by weight or more and 85% by weight or less of a liquid crystal polyester resin; more than 0.5% by weight and less than 10% by weight of a transition metal compound containing a Group 6 element of the periodic table; 2% by weight or more and 10% by weight or less of a barium compound; 2% by weight or more and 10% by weight or less of an organic filler; and 12% by weight or more and 30% by weight or less of a filler.

A black liquid-crystal polymer film that contains a black pigment and a liquid crystal polymer and the black liquid-crystal polymer film has a lightness of 45 or less, a dielectric loss tangent of 0.0035 or less, a minimum dielectric breakdown strength of 60 kV/mm or more, and a maximum-to-minimum ratio of in-plane thermal linear expansion coefficient in the range of 1.0 to 2.5.

Provided is an optically anisotropic film exhibiting reverse wavelength dispersibility with excellent thickness-direction phase differences, a laminate, a circularly polarizing plate, and a display device. The optically anisotropic film of an embodiment of the present invention satisfies the following Requirements 1 to 4. Requirement 1: In a case of irradiation with P-polarized light and S-polarized light, which are linearly polarized light perpendicular to each other, from a direction inclined by 45° from a normal direction of a film surface of the optically anisotropic film, an absorption intensity ratio in a case of irradiation with S-polarized light to an absorption intensity in a case of irradiation with P-polarized light is 1.02 or more in an absorption intensity at a wavelength having a largest absorption in a wavelength range of 700 to 900 nm. Requirement 2: Re(550)<10 nm, Requirement 3: Re(800)<10 nm. Requirement 4: Rth(450)/Rth(550)<1.

A compact camera module that contains a generally planar base on which is mounted a lens barrel is provided. The base, barrel, or both are molded from a polymer composition that includes a thermotropic liquid crystalline polymer and a plurality of mineral fibers (also known as “whisker”). The mineral fibers have a median width of from about 1 to about 35 micrometers and constitute from about 5 wt. % to about 60 wt. % of the polymer composition.

Described herein are various embodiments for liquid crystal elastomers (LCE) formed from liquid crystalline monomers having 4-(6-(acryloyloxy)n-oxy)phenyl-4-(6-(acryloyloxy)m-oxy)benzoate (CnBAPE) as the mesogenic core. The LCEs described herein have improved thermotropic characteristics, including lower thermotropic activation temperatures. The LCEs described herein may also incorporate azobenzene to thereby also enhance the phototropic properties of the LCE.