Inventor

HONG CHANG-WAN

KR22 patents

⚠️ This page may combine multiple inventors who share the name “HONG CHANG-WAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HONG CHANG-WAN

SAMSUNG ELECTRONICS CO LTD

Remote control method and apparatus thereof

Remote control method and video apparatus for performing the same

Method and apparatus for changing brightness of image

Projection screen for rear projection television set

Method and apparatus for performing automatic channel selection and automatic tuner diagnosis in a double-tuner television receiver

Optical system of a reflection LCD projector

Method for making look-up tables for video format converter using the look-up tables

Method and apparatus for reducing false contour in digital display panel using pulse number modulation

Plasma display panel enhancing a bright room contrast

Image projecting apparatus having optical switch

Image displaying unit of a 3D image system having multi-viewpoints capable of displaying 2D and 3D images selectively

Rear projector employing an image display

Apparatus and method for controlling automatic adjustment of power supply of display panel driving system

Display device and control method thereof

Plasma display panel with light guides for improving contrast

CRT assembly of projection television

Semiwide-screen television receiver

Plasma display panel with improved brightness and contrast

Color separating device using dichroic mirror wheel and image projecting apparatus using the same

KIM SUNG-SIK

Method of removing Moire pattern in 3D image display apparatus using complete parallax

SAMSUNG ELECTRONIC S CO LTD

Apparatus for image projecting having a matrix type of optical-switch

HONG CHANG-WAN

Display apparatus for supplying power to an external device and control method thereof