Samsung Electronics Co., Ltd.

Dic Corporation

Tsuyoshi Ohyama

Eun Sung Lee

Koh Kamada

Hyunseok Choi

Kitae Park

Ju Hyun Kim

Sang Ho Park

Seunghyun Lee

Seung Hyun Lee

Hidetoshi Nakata

Hyun-seok Choi

Toru Ishii

Nobuo Hamamoto

Seungbum Chun

A foldable circular polarizing plate includes a polarizer and a foldable compensation film disposed on one surface of the polarizer, wherein in-plane retardations of the liquid crystal layer at 450 nm, 550 nm, and 650 nm wavelengths satisfy Relationship Equations 1 or 2, the compensation film is configured to absorb light in a wavelength region of less than or equal to 420 nm, and a reflection color in a CIE-Lab color coordinate system satisfies &#x394;a*b*&#x2264;5.0 and a foldable organic light emitting diode display including the same.(450 nm)&#x3c;(550 nm)&#x2264;(650 nm)&#x2003;&#x2003;[Relationship Equation 1](450 nm)&#x2264;(550 nm)&#x3c;(650 nm)&#x2003;&#x2003;[Relationship Equation 2]

Foldable circular polarizing plate and display device

A composition for an optical film including a liquid crystal and a polysiloxane represented by Chemical Formula 1 wherein in Chemical Formula 1, Rto R, Lto L, X, Y, Z, T, T, a, b, c, and d are the same as described in the detailed description.

Composition for optical film, and films and display device

An organic light emitting diode device includes an organic light emitting display panel and a circular polarizing plate disposed on the organic light emitting display panel and including a polarizer and a compensation film, where a retardation of the compensation film in a first direction is determined based on a retardation of the organic light emitting display panel in the first direction.

Organic light emitting diode device

An organic light emitting device includes a display panel including a plurality of pixels and a circular polarizing plate disposed opposite to the display panel, where the circular polarizing plate has a plurality of retardations corresponding to the pixels of the display panel. A method of manufacturing an organic light emitting device includes preparing a display panel including a plurality of pixels, preparing a circular polarizing plate having a plurality of retardations, and assembling the display panel and the circular polarizing plate, where the display panel and the circular polarizing plate are assembled so that the retardations of the circular polarizing plate respectively correspond to the pixels of the display panel.

Organic light emitting device including circular polarizing plate having retardations corresponding to pixels

An organic light emitting diode device includes an organic light emitting display panel and a circular polarizing plate which includes a polarizer and a compensation film including a liquid crystal layer which includes a first surface and a second surface, and liquid crystals that tilt obliquely with respect to an extension direction of the first and second surfaces of the liquid crystal layer where tilt angles of the liquid crystals with respect to the extension direction of the liquid crystal layer become gradually larger from the first surface to the second surface of the liquid crystal layer in a thickness direction of the liquid crystal layer, and a maximum tilt angle of the liquid crystals with respect to the extension direction of the liquid crystal layer is determined based on a thickness direction phase delay generated in a thickness direction of the organic light emitting display panel.

An optical film includes a first compensation film and a second compensation film having a retardation for incident light different from the first compensation film, wherein the first compensation film includes a first liquid crystal layer including liquid crystals which are obliquely tilted relative to a surface of the first compensation film, and the second compensation film has a refractive index satisfying Relationship Equation 1 and Relationship Equation 2.&#x2003;&#x2003;Relationship Equation 1&#x2003;&#x2003;Relationship Equation 2

Compensation film and display device including the same

An antireflection film includes a polarizer, a first phase delay layer, and a second phase delay layer, where at least one of the first phase delay layer and the second phase delay layer includes a liquid crystal layer, and the liquid crystal layer includes liquid crystals oriented in a direction tilting obliquely with respect to a surface thereof.

Antireflection film and organic light emitting diode device including the same

An organic light emitting device includes an anti-reflection film including a polarizer and a compensation film positioned on the polarizer and including a liquid crystal layer which includes liquid crystals oriented in a direction tilting obliquely with respect to a surface of the liquid crystal layer extending in a horizontal direction in a cross sectional view, tilt angles of the liquid crystals are gradually larger from the first side to the second side, a maximum tilt angle of the liquid crystals with respect to the surface of the liquid crystal layer is from about 15&#xb0; to about 80&#xb0;, and in-plane retardation (R) of the liquid crystal layer for incident light of a 450 nm wavelength and a 550 nm wavelength satisfies a Relationship 1.

Antireflection film and organic light emitting device provided with the same

An organic light emitting device includes an anti-reflection film including a polarizer and a compensation film positioned on the polarizer and including a liquid crystal layer which includes liquid crystals having oriented direction tilting obliquely with respect to a surface of the liquid crystal layer extending in a horizontal direction in a cross sectional view.

Antireflection film and organic light emitting device including the same

An organic EL display device includes: a transparent substrate; a circularly-polarizing plate disposed on a first surface of the transparent substrate; a wiring layer disposed on a second surface of the transparent substrate; a selectively-reflecting layer disposed on the wiring layer, where the selectively-reflecting layer reflects only a circularly polarized component, which has a predetermined wavelength and rotates in a predetermined direction, in incident light, and the selectively-reflecting layer transmits light of a wavelength different from the predetermined wavelength in the incident light and a circularly polarized component, which has the predetermined wavelength and rotates in a direction different from the predetermined direction; a transparent electrode disposed on the selectively-reflecting layer; an emission layer disposed on the transparent electrode in a position corresponding to the selectively-reflecting layer, where the emission layer emits light of a predetermined color; and a reflective electrode disposed on the emission layer.

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Suwon-si, South Korea

Tsuyoshi Ohyama