Celltrion Inc.

Seoul Semiconductor Co., Ltd.

Bio-fd&c Co., Ltd.

Jung Yun Kim

Joo Hyuck Lim

Sung Ho Moon

Young Jun Park

Shin Jae Chang

Yeon Sook Kim

Jae Hun Kim

Seung Ki Lee

Ju Yeon Kim

Hyeong Mi Kim

Jae Ho Cho

Seung Suh Hong

Soo Yun Kim

Jin Kyo Jeong

Jong Mook Kim

Eun Joo Cho

Kang Hyun Cho

Hyo Hyun Seo

Sang Hyun Moh

Kee Won Yu

Jung Yeon Kim

Hyun Nam Song

Won Kang Moon

Jung Soo Bae

Seon Kyung Park

Chi Ho Choi

Jeong Gon Park

Ji Hong Moh

The present invention relates to a cosmetic composition for wrinkle reduction comprising, as an active ingredient, agypenoside fraction and, more specifically, to a cosmetic composition for wrinkle reduction, wherein thegypenoside fraction includes at least one gypenoside selected from the group consisting of gypenoside UL1, gypenoside UL2, gypenoside UL3, gypenoside UL4, gypenoside UL5, gypenoside UL6, and gypenoside UL7.

Cosmetic composition for wrinkle reduction containing gypenoside isolated from

The present invention relates tocallus having an increased content of gallic acid or an extract thereof and to a method for preparing the same. Thecallus extract according to the present invention has an excellent whitening effect by containing a large amount of gallic acid, and thus can be advantageously used as a cosmetic composition.

callus extract having increased content of gallic acid, method for preparing same, and whitening cosmetic composition containing same

The present invention provides a stable peptide-conjugated, ascorbic acid derivative, a method for preparing the same, and a cosmetic composition comprising the same as an active ingredient. The stable peptide-conjugated ascorbic acid derivative of the present invention has both the effect of whitening the skin by inhibiting melanin production and the effect of reducing skin wrinkles by activating collagen production, and may be used in a cosmetic composition.

Stable peptide-conjugated ascorbic acid derivative, method for preparing same, and cosmetic composition comprising same

The present invention relates to a light emitting diode (LED) lamp, and an object of the present invention is to provide an LED lamp in which an LED can be easily exchanged and external vibration can be absorbed to prevent the play thereof. To this end, an LED lamp according to the present invention comprises an LED package having a lead frame; a printed circuit board separated from the LED package and having a conductive pattern formed on a surface thereof facing the lead frame; and a pressing means for pressing the LED package toward the PCB so that the lead frame is in contact with the conductive pattern.

LED lamp

Growing community of inventors

Seoul, South Korea

Jung Yun Kim