C09K2019/521

Light source package structure

A light source package structure is provided. The light source package structure includes a substrate, an upper electrode layer, a surrounding wall, a light emitting unit, an adhesive, and a light permeable element. The surrounding wall is annular with step structure and includes an upper tread surface arranged away from the substrate, an upper riser surface connected to an inner edge of the upper tread surface, a lower tread surface disposed at an inner side of the upper riser surface, an accommodating groove disposed between the lower tread surface and the upper riser surface, and a lower riser surface connected to an inner edge of the lower tread surface and arranged away from the upper tread surface. The lower riser surface and the first surface jointly define a receiving space.

Programmable nanocomposites

A shape-programmable liquid crystal elastomer. The elastomer comprising cross-linked and polymerized nematic, isotropic monomers with carbon nanotubes that are organized into a plurality of voxels. Each voxel has a director orientation such that each voxel of the plurality has a first state according to the director orientation and a second state according to cross-linkages of the polymerized nematic monomers. The elastomer transitions between the first and second states with exposure to an electric field.

Liquid crystalline polymer composition
11136445 · 2021-10-05 · ·

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.

Method for preparing coating layer having highly aligned nanomaterial in lyotropic liquid crystal matrix

A method is described for preparing a coating layer having highly aligned nanomaterial by applying shearing force to a composite of nano material and lyotropic liquid crystal material after mixing the nano material and the lyotropic liquid crystal material. The method includes (a) injecting a composite of nanomaterial and lyotropic liquid crystal into a space between an upper plate and a lower plate in a laminate; and (b) applying a shearing force to the composite of nanomaterial and lyotropic liquid crystal.

Compact Camera Module
20210189095 · 2021-06-24 ·

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.

LAMINATE, ELECTRONIC DEVICE, AND PRODUCTION METHOD FOR LAMINATE

The present invention is a laminate: with which differences in the thermal expansion coefficient at interfaces between different materials in the interior of a semiconductor element or the like can be kept small; which has high heat resistance; and which has high thermal conductivity. This laminate is provided with at least two layers of thermal expansion-controlling members, the thermal expansion-controlling members including a thermally conductive first inorganic filler joined to one end of a first coupling agent, and a thermally conductive second inorganic filler joined to one end of a second coupling agent; the other end of the first coupling agent and the other end of the second coupling agent are respectively joined to a polymerizable compound, or joined to one another; and the thermal expansion-controlling members have thermal expansion coefficients that are respectively different.

INORGANIC PIGMENTS FOR USE IN LIQUID CRYSTAL DEVICES
20210189141 · 2021-06-24 · ·

A method of preparing non-conductive coated pigment particles for use in liquid crystal applications. A dispersion is prepared of a pigment such as carbon black in a solution comprising a first solvent and a surfactant. The dispersion is disrupted in order to separate agglomerates. A non-conductive coating material is added. In some embodiments of the invention, the non-conductive coating comprises a polymer soluble in the first solvent, and the coating is prepared by addition of a second solvent in which the polymer is insoluble. In other embodiments, the non-conductive coating comprises a metal oxide, and the coating is prepared by addition of a metal alkoxide that hydrolyzes to form the coating. The non-conductive pigment particles are then separated from the supernatant liquid, dried, and reduced to a powder. Liquid crystal devices comprising the particles typically have a haze of less than 7% and a total transmittance of >55%.

POLARIZED LUMINESCENT FILM

To provide a polarized luminescent film obtained by applying, to a substrate material, a polymerizable composition including a rod-like luminescent nanocrystal and a polymerizable liquid crystal compound, and radiating an active energy ray, and to provide a film having good polarization characteristics. The present invention provides a polarized luminescent film and a polarized luminescent multilayered body formed from a polymerizable composition containing a rod-like luminescent nanocrystal and a polymerizable liquid crystal compound. The present invention also provides a backlight and a display device including a polarized luminescent multilayered body according to the present invention.

Liquid Crystalline Polymer Composition having a Low Dielectric Constant
20230407181 · 2023-12-21 ·

A polymer composition that includes a polyhedral silsesquioxane (POSS) dispersed within a polymer matrix that contains a thermotropic liquid crystalline polymer is provided. The polyhedral silsesquioxane contains an aromatic group. The polymer composition exhibits a dielectric constant of about 4.5 or less as determined at a frequency of 10 GHz.

Compact camera module
10941275 · 2021-03-09 · ·

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.