Senior Engineer
Melfas
경기도 성남시 분당구 판교역로 225-14 멜파스B/D
■ Self-capacitance, touch key pattern- Monitor : Ecofit, Ecofit_MFM, Lapfit, Lavender, Ticoproject, White, etc for SEC.- Digital Frame : DGFrame for SEC.- Beam Project : D400, U300, D410 for SEC.- Feature Phone : Craft, Craft2, Violin(2chip), etc for SEC.- Implemented I2C master, UART Input through GPIO.- Implemented remote controller input device through GPIO and IR sensor for controlling beam projector.■ Self-capacitance, Qwerty key pattern - Multisync for Pantech.- Qwerty Key pad.- Developed bluetooth key pad.- Developed external input device for KT feature phone.■ Self-capacitance, 1-layer ITO pattern.- C250 for SEC.- Diamond for Fujitsu, Japan.- Muscat for LGE.- Unique touch screen ITO design in the world.- 2 dimension calculation through 1-layer.- Implemented anti-noise filter for 1-layer solution.■ Hybrid sample (Self & Mutual capacitance) 2-layer ITO pattern - GP500, VS660, etc for LGE.- Implemented “No Ghost” real multi touch with self-capacitance.- Designed new scheme, hybrid sampling, platform.- Implemented algorithm for securing accuracy on pressure touch with self-capacitance.■ Mutual-capacitance, 1-layer Multi touch pattern, G1M- KYLE for SEC.- Developed ESD detection algorithm.- The 1st G1M type model in the world.- Designed an algorithm to remove bottom-touch noise.- Researched analog sensing parameter sets to overcome electric noise by optimized ADC condition, Tx frequency, internal R-C value etc.■ INCELL type, Self-capacitance 1-layer Multi touch pattern- W5, X3 for LGE / Falcon for Motorola.- 1st real multi touch using self-capacitance.- Experienced a lot of troubles caused by Incell.- Improved touch performance on noise circumstance.- (Charger, 3-wave lamp)■ Mutual-capacitance, Multi touch pattern, tablet- LT01( 8 inch, G2 pattern ) for SEC.- EP1T( 2Chip, 10.1 inch ) for Quanta, Taiwan.
