Toray Advanced Materials Korea Inc.

Sang Hoon Lee

Chang Ik Hwang

Sang Pil Kim

Kwang Soo Kim

Yeon Soo Kim

Jun Sang Park

Dong Han Kho

Hee Cheong Lee

Mun Bok Lee

A dielectric adhesive film for an electronic paper display device, by which the operating performance of a flexible display device is excellent even applying a high voltage when the flexible display device is operated, by controlling a dielectric constant with respect to an adhesive film for attaching a lower electrode to which a voltage is applied with an image upper electrode on which particles, which possess electric charges with various colors that change according to an applied voltage, are coated to adjust the electric charges of the adhesive film in the thickness direction to thereby minimize loss of the applied voltage while maintaining an adhesive property and reliability.

Dielectric adhesive film for electronic paper display device

An adhesive film for a reflection sheet and a reflection sheet using the adhesive film is provided. The adhesive film comprises a plastic base film having a heat shrinkage of &#x2212;0.1 to 0.5% at 150&#xb0; C. in machine and transverse directions; an adhesive layer formed on one side of the base film by applying an adhesive composition; and an anchor coating layer formed on the other side of the base film, opposite to the side on which the adhesive layer is formed. The adhesive film for a reflection sheet according to the present invention is manufactured by applying an adhesive composition on a plastic base film where heat shrinkage is controlled. Thus, the adhesive film has superior dimensional stability at a high temperature and excellent workability in a post process for laminating a reflection layer. Partial detachment does not occur when an adhesive layer is detached from an adherent, and stable physical properties can be achieved.

Adhesive film for a reflection sheet and reflection sheet using the same

A light guide plate for a surface light source device is provided, which includes an incident surface configured to have light from lamps disposed along a predetermined axis, be incident thereon, an emitting surface configured to have the incident light emitted therefrom, a back surface configured to face the emitting surface, and a plurality of unit cells configured to have microprism patterns engraved thereon and distributed and arranged on the back surface. A crossing angle of a microprism arrangement axis, formed by a ridge direction of the microprism patterns, and of an arrangement axis of the lamps is disposed in an alternate angle. The light guide plate has a high front brightness and an excellent uniformity in brightness and does not have a moire phenomenon. In a backlight unit, the use of optical sheets stacked on the light guide plate can be reduced.

Light guide plate for surface light source device and backlight unit using the same

Growing community of inventors

Gyeongsangbuk-do, South Korea

Sang Hoon Lee