Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Myungsup Jung

Jong Hoon Won

Hyung Jun Kim

Yong Joo Lee

Changki Kim

Hye Young Kong

Sangah Gam

Boreum Jeong

Mi Jeong Kim

Deuk Kyu Moon

Yoon Seok Ko

Jong Hyuk Eun

Junghoon Lee

Sun Jung Byun

Yoon-suk Kang

Jonghyun Ha

Disclosed are an optical filter including a near infrared absorption layer on a polymer film. The polymer film has a* of about &#x2212;5.0 to about +5.0 and b* of about &#x2212;5.0 to about +5.0 in a color coordinate expressed by a CIE Lab color space. The near infrared absorption layer may be configured to transmit light in a visible region and to selectively absorb at least one part of light in a near infrared region. The near infrared absorption layer includes a first near infrared absorption material including a copper phosphate ester compound and a second near infrared absorption material including at least two different organic dyes. The second near infrared absorption material has a maximum absorption wavelength (&#x3bb;) in a wavelength region of about 650 nm to about 1200 nm. An electronic device may include the optical filter.

Optical filter, and camera module and electronic device comprising the same

A composition for a near-infrared light-absorbing film includes a binder and compounds represented by separate particular chemical formulae. A near-infrared light-absorbing film may include a near-infrared light-absorbing layer including a cured product of the composition. A camera device may include the near-infrared light-absorbing film, and an electronic device may include the camera device.

Composition for near-infrared light-absorbing films, near-infrared light-absorbing layers, camera modules, and electronic devices

A composition for a near-infrared light-absorbing film includes a binder, a compound represented by Chemical Formula 1, and a compound represented by Chemical Formula 2, wherein a total amount of the compound represented by Chemical Formula 1 and the compound represented by Chemical Formula 2 ranges from about 2.0 parts by weight to about 2.6 parts by weight based on 100 parts by weight of the binder. A near-infrared light-absorbing film may include a near-infrared light-absorbing layer including a cured product of the composition. A camera device may include the near-infrared light-absorbing film, and an electronic device may include the camera device.

Disclosed are a near-infrared absorbing composition, an optical structure, and a camera module and an electronic device including the same, wherein the near-infrared absorbing composition includes a copper complex represented by Chemical Formula 1:(L)-Cu-(L)n&#x2003;&#x2003;[Chemical Formula 1] Wherein in Chemical Formula 1, L, L, and n are described in the detailed description.

Near-infrared absorbing composition, optical structure, and camera module and electronic device comprising the same

Disclosed are a near-infrared absorbing film including a polymer film, a first near-infrared absorbing layer and a second near-infrared absorbing layer on the polymer film. The first near-infrared absorbing layer may be configured to transmit light in a visible region and to selectively absorb at least one part of light in a near-infrared region. The second near-infrared absorbing layer may be disposed on a surface of the first near-infrared absorbing layer. The first near-infrared absorbing layer may include a dye represented by Chemical Formula 1. The second near-infrared absorbing layer may include a copper complex compound. An optical filter may include the near-infrared absorbing film. An electronic device may include the optical filter.  In Chemical Formula 1, Rto Rare described in the detailed description.

Near-infrared absorbing film, optical filter comprising the same and electronic device

Disclosed are a near-infrared absorbing composition including a copper complex represented by Chemical Formula 1, a near-infrared absorption layer formed by using the near-infrared absorbing composition including the copper complex represented by Chemical Formula 1, an optical structure including the near-infrared absorption layer, and a camera module or an electronic device including the optical structure, wherein Chemical Formula 1 is provided below, and and in Chemical Formula 1, R, R, x, and y are the same as described in the detailed description.

A color polarizing film including a polymer and a dichroic dye having an absorption wavelength region of about 380 nm to about 780 nm, wherein the color polarizing film exhibits a maximum absorption wavelength (&#x3bb;) in a wavelength range of about 380 nm to about 780 nm is provided.

Color polarizing film, antireflective film, and display device

An optical film includes a polarizer, a uniaxially elongated film disposed on the polarizer, and a compensation film disposed on one side of the uniaxially elongated film. The polarizer includes a polymer having a glass transition temperature of greater than about 100&#xb0; C. and including a structural unit derived from styrene or a styrene derivative. The compensation film has a refractive index satisfying Relationship Equations 1 and 2, the uniaxially elongated film has an in-plane retardation satisfying Relationship Equation 3 and a thickness retardation satisfying Relationship Equation 4, and the compensation film has an in-plane retardation satisfying Relationship Equation 5 and a thickness retardation satisfying Relationship Equation 6. A liquid crystal display including the optical film is also disclosed. Relationship Equations 1 to 6 are described in the detailed description.

Optical film and liquid crystal display

An optical filter includes a polymer film and a near infrared absorbing layer on the polymer film, where the near infrared absorbing layer transmits light in a visible wavelength region and selectively absorbs at least a part of light in a near infrared wavelength region. An average light transmittance of the optical filter in a wavelength region of about 700 nanometers (nm) to about 740 nm is less than about 7%.

Optical filter and camera module and electronic device

An optical film includes a polarizer and a protection film disposed the polarizer and including a polymer having a glass transition temperature of greater than about 100&#xb0; C., where the polymer is a terpolymer consisting of: a first structural unit derived from styrene or a styrene derivative; a second structural unit derived from maleimide, maleic anhydride, acrylonitrile, a derivative thereof or a combination thereof; and a third structural unit derived from (meth)acrylate or a derivative thereof.

Optical film and method of manufacturing the same and display device including the same

A color polarizing film including a first layer including a first polymer and a first dichroic dye having an absorption wavelength region of about 380 nm to about 780 nm and a second layer including a second polymer and a second dichroic dye having an absorption wavelength region of about 380 nm to about 780 nm, wherein the second layer is disposed on the first layer, wherein a polarization axis of the first layer and a polarization axis of a second layer cross each other, and wherein the color polarizing film exhibits a maximum absorption wavelength (&#x3bb;) in a wavelength range of about 380 nm to about 780 nm.

Color polarizing film, antireflective film and display device

An antireflection film includes a polarizer, a first retardation film disposed on a side of the polarizer and having a reverse wavelength dispersion phase delay, and a second retardation film disposed on at least one side of the first retardation film and including a polymer, wherein the polymer includes a structural unit derived from a monomer selected from styrene, a styrene derivative, or a combination thereof, and the polymer has a glass transition temperature of greater than about 100&#xb0; C.

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Seongnam-si, South Korea

Myungsup Jung