Samsung Display Co., Ltd.

Samsung Sdi Co., Inc.

Youngil Kim

Jaekook Ha

Changhee Lee

Sehun Kim

Dukki Kim

Hyojin Ko

Junhyung Lee

Daeyeop Park

Heonhee Kim

Seungmook Lee

Minill Kim

Sanghyeok Ahn

JiHoon Mok

Sangmyung Byun

Tackkeun Lee

According to one aspect of the invention, a hole-transporting ink composition for a light emitting device, the hole-transporting ink composition includes an adhesion-promoting compound represented by Formula 1 and a hole-transporting compound:A—B—C  Formula 1 wherein, in Formula 1, the variables are defined above.

Hole-transporting ink composition, light-emitting device, and method of preparing the light-emitting device

Provided is a battery pack, which has a reduced number of embedded components so as to have reduced cost and weight and has an efficiently adjusted internal temperature so as to have improved performance and stability, the battery packing including: a lower case including a first lower side wall extending from a bottom surface, and a second lower side wall and a third lower side wall respectively connected with the first lower side wall and arranged so as to face each other, wherein the side facing the first lower side wall is open; a battery unit accommodated in the lower case and including a plurality of battery cells; and an upper case arranged to face the lower case so as to seal the battery unit.

Battery pack

An apparatus for blanking a printed circuit film from a base film, including: an insert member on a lower plate, overlapping a hit region of the base film and including a first pin hole aligned with an auxiliary fixing-hole of the base film an upper plate overlapping the lower plate and movable relative to the lower plate; a puncher protruding from the upper plate and contacting the hit region of the base film; and a fixing-pin protruding from the upper plate and inserted in the auxiliary fixing-hole of the base film and into the first pin hole of the insert member. The base film includes a reference fixing-hole being collinear with a center line of the printed circuit film, and a a plurality of auxiliary fixing-holes separated from the reference fixing-holes at equal intervals along a longitudinal direction of the base film.

Apparatus for blanking a printed circuit film

Growing community of inventors

Yongin-si, South Korea

Youngil Kim