Lg Electronics Inc.

Lg Display Co., Ltd.

Myeong Soo Chang

Byung Gil Ryu

Hong Rae Cha

Kyung Ku Kim

Young Sung Kim

Eun Ho Yoo

Chang Nam Kim

Young Dug Kim

Hong Seok Choi

Young Soo Han

Hwa Kyung Kim

Jae Woo Kyung

Myung Jong Jung

A front filter being attached to a front surface of a flat panel display device includes a NIR (near infrared ray) blocking film for blocking the emission of near infrared rays to outside; an EMI (electromagnetic interference) shielding film for absorbing electromagnetic waves and for preventing the electromagnetic waves from being emitted to outside; a glass formed on a front surface of the EMI shielding film; and an antireflection coating for preventing incident rays from outside from reflecting back to the outside, in which the EMI shielding film includes a mesh unit formed of conductive meshes that are intersected with each other; and a mesh frame for surrounding the mesh unit to support the mesh unit and to define an effective display area on a screen.

Front filter in a flat panel display device

An EMI (electromagnetic interference) shielding film of a flat panel display device includes a mesh unit formed of conductive meshes that are intersected with each other, and a mesh frame for surrounding the mesh unit to support the mesh unit and to define an effective display area on a screen. Both the mesh unit and the mesh frame are formed integrally together by a base film which has PET (polyethylene terephthalate) and metal foil.

EMI shielding film of a panel display device

An optical filter of a plasma display panel (PDP) and its fabrication method are disclosed. The optical filter includes an electromagnetic wave shield layer having a bias angle formed by cutting a mesh film along a predetermined direction.

Optical filter of plasma display panel and fabrication method thereof

An improved organic electroluminescent device is provided. The device may include a protection layer provided on non-light-emitting regions of a panel to prevent reflection of external light. The protection layer may include an optical filter used in combination with a black insulator. The protection layer may provide for improved reflectance and transmissivity, and improved brightness without a commensurate reduction in contrast.

Organic electroluminescent device with black insulator

An electromagnetic interference (EMI) shielding filter includes a conductive pattern for shielding electromagnetic waves; and blackened layers formed on a surface of the conductive pattern. The electromagnetic interference (EMI) shielding filter is manufactured by preparing a base film; forming on the base film a first blackened layer, a conductive layer, and a second blackened layer in sequence; and patterning the first blackened layer, the conductive layer, and the second blackened layer by using a same mask, and forming on front and rear surfaces of an EMI shielding layer a conductive pattern comprising the first and second blackened layers.

Electromagnetic interference shielding filter manufacturing method thereof

A plasma display panel is able to contrast thereof by increasing a color temperature of the plasma display panel, which comprises a dielectric layer controlling a light transmittance for visible light of a certain wavelength emitted from a phosphor in the plasma display panel.

Plasma display panel having dielectric layer with color additives

Disclosed is a plasma display apparatus having the same in which an electromagnetic wave is not only shielded, but also a transmission rate can be secured. The front filter including: an electromagnetic-wave shield film having a conductive powder decentralized therein, for shielding an electromagnetic wave. At this time, in order to form the electromagnetic-wave shield film, a mixture of the conductive powder and a predetermined synthetic resin is coated on a base film.

Front filter, and plasma display apparatus having the same

Plasma display panel having dielectric layer with specific color addictive

The present invention relates to a front filter having a touch screen, and a plasma display apparatus having the same. The front filter installed on a front surface of a panel of a plasma display apparatus, the front filter including: a touch screen for generating a coordinate signal with respect to a touch point.

Disclosed is a front filter attached to a front surface of a plasma display panel, the front filter comprising: an antireflection coating for preventing reflection of incident light from outside; an optical characteristic film for improving optical characteristics of incident light from the panel, by decreasing brightnesses of red (R) and green (G) rays and by increasing brightness of blue (B) rays; an EMI shielding film for shielding emission of electromagnetic wave; and an NIR blocking film for blocking near infrared rays emitted from the panel, wherein, transmittance of emitted light from the plasma display panel when the emitted light transmits the antireflection coating, the optical characteristic film, the EMI shielding film, and the NIR blocking film is determined in dependence of wavelength of the emitted light, and wherein transmittance of B rays at a wavelength of 454 nm is 50&#x2013;80%, transmittance of G rays at a wavelength of 525 nm is 40&#x2013;80%, transmittance of orange rays at a wavelength of 580&#x2013;592 nm is 5&#x2013;30%, transmittance of R rays at a wavelength of 610&#x2013;630 nm is 50&#x2013;80%, and transmittance of NIR at a wavelength of 850&#x2013;950 nm is 1&#x2013;10%.

Front filter in plasma display panel

Disclosed is a front filter in a plasma display panel (PDP), in which the front filter comprises an impact-absorbing layer attached to a front surface of the panel and composed of one of EVA, acrylic polymers, and PVC to be able to absorb external impacts.

EMI shielding film of a flat panel display device including a mesh frame of two-layered structure

A plasma display panel includes a filter for controlling a light transmittance by selectively diffracting a light emitted from a discharge cell of a plasma display panel on the basis of an electric signal. A luminance efficacy can be enhanced by using the low-priced filter and the contrast of a plasma display panel can be improved.

Electro-optic filter for plasma display panel

Disclosed is a plasma display apparatus in which film-type front filter is connected. A plasma display apparatus of the present invention includes a panel formed by attaching an upper substrate to a lower substrate, an front filter attached to an entire surface of the panel and including extensions extending by predetermined lengths from edges of the panel in omni-directions, a back cover formed on a rear surface of the chassis base, and a filter supporter for electrically connecting the extensions to the back covers. The filter supporter is connected to the compass.

Growing community of inventors

Kyunggi-do, South Korea

Myeong Soo Chang