Samsung Corning Precision Materials Co., Ltd.

Cresyn Co., Ltd.

Eun Young Cho

Jae Young Choi

Jong Bae Lee

In Sung Sohn

Sung Nim Jo

Dae Chul Park

Eui Soo Kim

Sang Cheol Jung

Seong Sik Park

Se Hong Oh

Disclosed herein is a wireless earphone system. The wireless earphone system includes wireless earphones and a charging case. Each of the wireless earphones includes: a connection unit configured to electrically connect with a charging case; and an internal circuit unit configured to receive a mode switching signal, directing a voice output mode to be switched, applied from the charging case via the connection unit, and to output a sound signal, wirelessly received from an electronic device, to the charging case via the connection unit without outputting the sound signal to a corresponding speaker by itself.

Wireless earphone and charging case

An optical filter which minimizes color shift, increases brightness and improves visibility and an organic light-emitting display having the same. The optical filter includes a micro pattern film disposed on an organic light-emitting panel. The micro pattern film includes a base material and a micro pattern engraved from the surface of the base material that adjoins the organic light-emitting panel. The micro pattern has a plurality of engraved shapes with a non-circular cross-section which has a depth greater than a width.

Organic light emitting display having improved color shift and visibility

An optical filter for reducing color shift in a display device includes a background layer made of a light-transmitting material and a light-diffusing pattern formed over the background layer to diffuse light. The light-diffusing pattern is a thin film coating applied along the cross section of the background layer in the depth direction thereof. The light-diffusing pattern is a self-assembled thin film in which the light-diffusing particles are self-assembled. A method of manufacturing the optical filter includes forming a concave-convex pattern layer made of a first light-transmitting material and having a concave-convex pattern, and forming the light-diffusing pattern along the sidewall surface of the concave section of the concave-convex pattern. After the light-diffusing pattern is formed, the concave section is filled with a second light-transmitting material, and the light-diffusing particles are removed from the upper surface of the convex section.

Optical filter for reducing color shift in a display device and method of manufacturing the same

Disclosed are an external light shielding film with a substrate including a transparent resin, an external light shielding pattern formed on a surface of the substrate and having a plurality of external light shielding parts including a light absorbing material, a method of manufacturing the external light shielding film, and a filter for a display having the external light shielding film. The light absorbing material consists of a base resin and a light absorbing substance, and at least one of a concentration of the light absorbing substance and a refractive index of the base resin varies in a stepwise manner.

External light shielding film for display apparatus, method of manufacturing the same and filter for display apparatus having the same

Disclosed are an external light-shielding layer for a display filter preventing occurrence of ghosting using a difference between refractive indexes of a base substrate and an external light-shielding part, and a display filter and display apparatus including the external light-shielding layer. The external light-shielding layer for the display filter comprises a base substrate made of a transparent resin; and at least one external light-shielding part arranged on a surface of the base substrate and filled with an external light-absorption material, wherein nof a refractive index of the base substrate is less than or equal to nof a refractive index of the external light-shielding part.

Growing community of inventors

Seoul, South Korea

Eun Young Cho