Samsung Electronics Co., Ltd.

Prinics Co., Ltd

Wan-Ha Kim

Kwang-ho No

In-yong Song

Jong-woo Kim

Yong-su Kim

Kyu-cheol Shin

Woo-yong Park

Joong-gwang Shin

Geun-Yong Park

Seung-young Byun

Kwang-Ho Noh

Hyun-seong Shin

Sam-seuk Choi

Jun-hee Cho

The present invention relates to a cam apparatus of a portable sublimation printer, which can simultaneously implement platen roller up/down and paper pickup roller up/down operations with one cam in a portable sublimation printer, and can constitute a thin and light portable sublimation printer.

Cam apparatus of portable sublimation printer

A developing unit of a liquid electrophotographic image forming apparatus. The developing unit includes a developing roller, which supplies ink to a photosensitive medium on which an electrostatic latent image is formed, to develop the electrostatic latent image. The apparatus also includes an ink storage unit adapted to store ink to be supplied to the developing roller, and an ink cartridge, which is installed in the ink storage unit to be opened or closed and supplies ink to the ink storage unit. The ink cartridge includes a cartridge sleeve rotatably installed, and a cartridge slider, which slides by rotation of the cartridge sleeve to open the ink cartridge.

Developing unit of liquid electrophotographic image forming apparatus

A liquid electrophotographic image-forming apparatus is provided including an anti-wraparound device having a bushing formed on both ends of a rotary shaft of a transfer backup roller to slide thereon, a shielding member installed on the bushing and contacting the transfer belt and the cleaning blade to prevent developer removed by the cleaning blade from flowing to the sides of the transfer belt, and an elastic member installed on both sides of the transfer backup roller for elastically biasing the bushing toward the transfer belt. Therefore, a wraparound phenomenon generated on the sides of the cleaning blade and transfer belt can be prevented, thus obtaining a higher image quality.

Liquid electrophotographic image-forming apparatus having anti-wraparound device for developer removal

A wet color image forming apparatus to transfer a color image using electrostatic force and pressure and a method of forming an image with the wet color image forming apparatus. The wet color image forming apparatus includes photosensitive bodies, developing units, a transfer belt, a paper transfer roller, and a multi-function roller. The photosensitive bodies form latent electrostatic images corresponding to image information input from the outside. The transfer belt is driven and the paper transfer roller is supported during the transfer of the image to the paper by the multi-function roller. The transfer belt includes a surface layer that contacts the photosensitive bodies and the paper transfer roller, a first cushion layer that contacts the multi-function roller, and a second cushion layer between the surface layer and the first cushion layer and has a lower hardness than the first cushion layer.

Color image forming apparatus to transfer color image using electrostatic force and pressure and method of forming image using the same

A liquid developer imaging system and a method using the system for developing an image, including a cartridge for containing a developing solution; a developing container for receiving the developing solution supplied from the cartridge via a predetermined supply line; a developing roller partly submerged in the developing solution contained in the developing container, installed to be rotated facing a photosensitive object; and a metering blade for scraping off the developing solution coated on the surface of the developing roller to a predetermined thickness, is provided. According to the system, a developing supply structure can be considerably simplified because a high-density developing solution is directly used in developing an image without a process of diluting the solution, and an image can be developed to have high definition because the concentration of the developing solution coated on the developing roller is regularly controlled by a metering blade.

Liquid developer imaging system

Growing community of inventors

Suwon-si, South Korea

Wan-Ha Kim