Lg Chem, Ltd

Seung Hun Chae

Moon Soo Park

Sin Young Kim

Kyun Il Rah

Eun Mi Seo

Byoung Kun Jeon

Seong Min Lee

Ji Hoon Park

Hyuk Yoon

Su Young Ryu

Kyung Ki Hong

Belyaev Sergey

Jung Woon Kim

Doo Young Huh

Da Mi Lee

Yong Il Cho

Sang Seop Kim

Jung Hyun Yeo

ChanHong Lee

Jaewook Lee

Jaehyug Cha

Seonglyong Kim

The present application relates to an optical device and a use thereof. The optical device of the present application is a member in which transmittance can vary depending on whether or not an external action is present, and has excellent durability.

Optical device

An optical device and a use thereof are provided. The optical device is a member in which transmittance can vary depending on whether or not an external action is present, and has excellent durability.

An optical film including at least one retardation film and at least one isotropic layer made of an isotropic material, wherein the difference in average refractive between the retardation film and the isotropic layer is at least 0.1 or more is provided. A method of adjusting wavelength dispersion characteristics of an optical film including stacking an isotropic layer onto a retardation film, and a method for preparing optical films having a variety of wavelength dispersion characteristics by coating the retardation film with the isotropic layer are provided.

Optical film and method of adjusting wavelength dispersion characteristics of the same

The present application relates to an optical device. The optical device according to one embodiment may be a light-dividing device, for example, a device that can divide incident light into at least two kinds of light having different polarization states. For example, the optical device can be used to realize a stereoscopic image.

Optical element

Provided is an optical filter and a display device. In the optical filter, patterns of first and second regions therein may be stably maintained, and therefore the optical filter capable of ensuring excellent light division characteristics for a long time may be provided.

Optical filter

Disclosed herein is a device for simultaneously adjusting vertical height and horizontal deflection including a lower plate fixed to a floor, an upper plate, vertical height and horizontal deflection of which are adjusted, one or more variable posts connected to an upper end of the lower plate and a lower end of the upper plate, and a height adjustment unit, a lower end of which is fixedly disposed above the lower plate and an upper end of which is disposed at the lower end of the upper plate in a line contact fashion, the height adjustment unit adjusting vertical height and horizontal deflection of the upper plate at the line contact portion.

Device for adjusting deviation of height and horizontality

An optical element and a stereoscopic image display device are provided. The optical element is a light-dividing element, for example an element that can divide incident light into at least two kinds of light having different polarized states. Therefore, the optical element can be used to realize a stereoscopic image.

An optical film includes at the least one retardation film and at least one isotropic layer made of an isotropic material, wherein the difference in average refractive index between the retardation film and the isotropic layer is at least 0.1 or more. Also, the method of adjusting wavelength dispersion characteristics of an optical film includes: stacking an isotropic layer onto a retardation film. A method for preparing optical film having a variety of wavelength dispersion characteristics by the simple method of coating the retardation film with the isotropic layer.

An optical device is provided. The optical device according to one embodiment may be a light-dividing device, for example, a device that can divide incident light into at least two kinds of light having different polarization states. For example, the optical device can be used to realize a stereoscopic image.

An optical device and a stereoscopic image display device are provided. The optical device according to one embodiment may be a light-dividing device, for example, a device that can divide incident light into at least two kinds of light having different polarized states. For example, the optical device can be used to realize a stereoscopic image.

An optical element is provided. The optical element shows excellent durability, hardness property and reworkability. Therefore, the optical element can have a stable light division property since the phase retardation property of the phase retardation layer in the optical element can be stably maintained for a long period of time under severe conditions. Also, it is possible to prevent side effects such as light leakage in an optical instrument to which the optical element is applicable. Also, the optical element can show excellent resistance to external pressure or scratches.

An optical element and a stereoscopic image display device are provided. The optical element is a light-dividing element, for example, an element that can divide incident light into at least two kinds of light having different polarized states. Therefore, the optical element can be used to realize a stereoscopic image.

Thermoplastic resin compositions are provided. A heat-resistant ABS thermoplastic resin composition including a graft ABS polymer, an &#x3b1;-methylstyrene copolymer, an imide-substituted copolymer, and an additive for improving elongation and impact strength is excellent in weld strength, chemical resistance, impact strength, and elongation. A thermoplastic resin composition including a graft ABS polymer, a &#x3b1;-methylstyrene copolymer, and an additive for improving wettability is excellent in weld strength and wettability.

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Daejeon, South Korea

Seung Hun Chae