Lg Electronics Inc.

Han Kyoung Cho

Jun Ho Lee

Soon Hyung Kwon

Seung Gyu Lee

Nam Sik Kim

Ki So Bok

Seung Gyu 521-1403 Samsung 5-Cha Apt Lee

Jun Ho B-1807 Michelan Chereville Lee

Nam Sik 12-210 197 Dongnam-Villa Kim

A projection lens unit and a thin projector using the same are disclosed. The projection lens unit includes a plurality of lens sets for emitting light carrying an image, and a reflector arranged between adjacent ones of the lens sets or at a downstream end of the lens sets, and adapted to change a direction of light incident on the reflector.

Projection lens unit and thin projector using the same

A thin projector is disclosed. The thin projector includes a housing having an upright panel shape, an illumination unit arranged in the interior of the housing, the illumination unit generating light and emitting the generated light, a micro device arranged in the interior of the housing, the micro device receiving the light from the illumination unit and producing an image using the received light, and a projection lens unit arranged in the interior of the housing, the projection lens unit including an emission unit adapted to externally emit the image produced by the micro device and arranged to be externally exposed through a front side of the housing.

Thin projector

A device and method for processing a PIP (picture in picture) in a TV, in which a PIP is overlaid on a main picture, thus allowing a user to watch the PIP as well as the main picture even in a region of the PIP at the same time. The device includes a first video processing part for receiving, and processing a main picture video signal into a signal displayable on a screen, a second video processing part for receiving, and processing a sub picture video signal into a signal displayable on a region of the screen, a control part for providing a control signal according to a users command, and an adjusting part for adjusting a presenting ratio of a video signal from the second video processing part for adjusting a presenting ratio of a video signal from the second video processing part in response to the control signal from the control part, thereby permitting a user to watch the main picture even in the sub picture because a mix ratio adjustment of the main picture and the sub picture are possible, and to watch a good quality main, and sub pictures because the mix ratio of the main picture and the sub picture can be adjusted appropriately.

Device and method for processing PIP in TV

Growing community of inventors

Daegu, South Korea

Han Kyoung Cho