1
Sang su Lee, Chang wan Hong: Remote control method and apparatus thereof. Samsung Electronics, Sughrue Mion Zinn Macpeak & Seas, August 13, 1996: US05545857 (103 worldwide citation)

A remote control method and apparatus for a remote controller having a touch panel as an input device, performs a remote control operation of an image apparatus, such as a television, either by inputting a character onto the touch panel or by controlling a cursor according to the contact location of ...


2
Sang su Lee, Chang wan Hong: Remote control method and video apparatus for performing the same. Samsung Electronics, Sughrue Mion Zinn Macpeak & Seas PLLC, June 16, 1998: US05767919 (46 worldwide citation)

A remote control method for controlling a video apparatus such as a television or videocassette recorder includes the steps of displaying a cursor on a display screen in response to a movement of the remote controller; displaying a main menu according to a key input of the remote controller while a ...


3
Chang wan Hong: Optical system of a reflection LCD projector. Samsung Electronics, Sughrue Mion Zinn Macpeak & Seas PLLC, January 6, 1998: US05706063 (25 worldwide citation)

An optical system of an LCD projector includes a light beam splitter for passing only a specific wavelength of light emitted from a light source and reflecting another wavelength. Two reflection type LCDs for a black-and-white signal and a color signal, respectively, are placed in correspondence wit ...


4
Jong bae Park, Chang wan Hong: Projection screen for rear projection television set. Samsung Electronics, Sughrue Mion Zinn Macpeak & Seas PLLC, December 1, 1998: US05844715 (22 worldwide citation)

A projection screen for a rear projection television set includes a Fresnel lens for focusing incident image light so as to center on an optical axis of the projection screen, and an optical diffusion member including a lenticular lens portion for diffusing the image light received from the Fresnel ...


5
Sang su Lee, Chang wan Hong: Method and apparatus for performing automatic channel selection and automatic tuner diagnosis in a double-tuner television receiver. Samsung Electronics, Sughrue Mion Zinn Macpeak & Seas PLLC, May 26, 1998: US05757441 (18 worldwide citation)

An automatic channel selecting and/or tuner diagnosing method for a double-tuner television receiver is provided. The method includes the following steps. Performing a first channel selection operation via a first tuner to search for a first channel on which a first broadcast signal is transmitted. ...


6
Sung sik Kim, Jung young Son, Chang wan Hong, Tae hong Jeong: Method of removing Moire pattern in 3D image display apparatus using complete parallax. Samsung Electronics, Sughrue Mion PLLC, October 9, 2012: US08284119 (16 worldwide citation)

A method of removing a Moire pattern in a 3D image display apparatus using complete parallax. The method of removing a Moire pattern in a 3D image displaying system with an image display device having an image display panel and a unit for providing complete parallax, by intersecting the image displa ...


7
Seong deok Lee, Chang yeong Kim, Yang seock Seo, Chang wan Hong: Method and apparatus for changing brightness of image. Samsung Electronics, Buchanan Ingersoll PC, April 11, 2006: US07027105 (15 worldwide citation)

A method and an apparatus for changing the brightness of an image are provided. The method for changing the brightness of an image includes obtaining a level incremental rate, which denotes the degree to which the brightness of three input color components, i.e., first, second and third color compon ...


8
Chang wan Hong, Sang whoe Dho: Image projecting apparatus having optical switch. Samsung Electronics, Sughrue Mion PLLC, October 5, 2004: US06799850 (12 worldwide citation)

An image projecting apparatus has optical switches in first optical switch unit arranged in a square matrix arrangement, and a second optical switch unit of optical switches in single file for selectively reflecting the monochromatic lights reflected from the first optical switch unit. A light sourc ...


9
Joong Sun Yoo, Chang Wan Hong, Jong Chul Choi, Yeon Mo Jeong, Jae Jun Lee: Method for making look-up tables for video format converter using the look-up tables. Samsung Electronics, Sughrue Mion PLLC, December 25, 2001: US06333762 (10 worldwide citation)

A scan format converter for converting a video format by bi-sigmoid interpolation. In the scan format converter, a memory controller has a look-up table at which first and second displacement values for pixel points of a video format to be converted are stored, controls transmission of color signals ...


10
Dong ha Kim, Chang wan Hong, Han il Ko: Rear projector employing an image display. Samsung Electronics, Sughrue Mion Zinn Macpeak & Seas PLLC, October 27, 1998: US05826961 (7 worldwide citation)

A rear projector employing an image display uses a polymer dispersion liquid crystal (PDLC) panel which suppresses a turbulent reflection due to a high light refractive index. Accordingly, a slim appearance is attained since a light separating/synthesizing system is eliminated, and the resolution an ...