1
Kwang Hee Lee: Digital-to-analog converter. Samsung Electronics, David W Held, Skjerven Morrill MacPherson, August 28, 2001: US06281825 (7 worldwide citation)

A digital-to-analog converter employs current drive circuits connected to an output voltage terminal. At least one of the current drive circuits includes a current division circuit that splits current from a first power source into a plurality of current paths in response to at least a first bias vo ...


2
Shiro Kobayashi, Yoshihiro Taguchi, Hiroshi Uyama: Copolymer and method of producing the same. Alps Electric, Shiro Kobayashi, Guy W Shoup, David W Held, April 20, 1993: US05204428 (2 worldwide citation)

A copolymer of the present invention is produced by copolymerization of an electron-donating monomer having an electron-accepting group and an electron-accepting monomer having an electron-accepting group. The copolymer thus exhibits a high dielectric constant, a low level of hygroscopicity and good ...


3
Kenneth E Salsman: V-splitter for optical engine. Delta America, David W Held, Skjerven Morrill MacPherson Franklin & Friel, April 11, 2000: US06049403 (1 worldwide citation)

An optical engine in which full-spectrum light is split into its three primary beam components of red, blue and green, which components are then modulated by reflective or transmissive light valve structure and ultimately recombined for projection of a full color image, which engine includes a sourc ...


4
Moon Chul Cho: Supporting module and alignment apparatus for a substrate. Samsung Electronics, David W Held, MacPHERSON KWOK CHEN & HEID, September 8, 2005: US20050193950-A1

A supporting module is used to support a substrate in an alignment apparatus for aligning the substrate. The supporting module includes one or more supporting bodies, each supporting body having a hole on an upper portion of the supporting body. A supporting ball is partially inserted into the hole ...


5
Jeong Ho Lee, Kye Hun Lee, Kweon Sam Hong, Bae Heuk Kim: Color filter panel, display panel having the same and method of manufacturing the same. Samsung Electronics, David W Held, MacPHERSON KWOK CHEN & HEID, February 9, 2006: US20060028598-A1

A color filter substrate includes a transparent substrate, a light-blocking layer, a color filter layer, a first cell gap maintaining member and a second cell gap maintaining member. The transparent substrate has a plurality of pixel regions. Each of the pixel regions includes first and second regio ...


6
Byoung sun Na, Sang ki Kwak, Dong gyu Kim, Kyung phil Lee: TFT substrate for display device and manufacturing method of the same. Samsung Electronics, David W Held, MacPHERSON KWOK CHEN & HEID, August 17, 2006: US20060180837-A1

Disclosed is a TFT substrate for a display apparatus comprising a gate wiring including a gate electrode, a data wiring including a data line, a source electrode connected to the data line, and a drain electrode connected to a pixel electrode, and a semiconductor layer disposed between the gate wiri ...