Search Results - "Nam, Hyoungsik"

Review of Capacitive Touchscreen Technologies: Overview, Research Trends, and Machine Learning Approaches by Nam, Hyoungsik, Seol, Ki-Hyuk, Lee, Junhee, Cho, Hyeonseong, Jung, Sang Won

“…Touchscreens have been studied and developed for a long time to provide user-friendly and intuitive interfaces on displays. This paper describes the…”
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High-Speed Pseudo-CMOS Circuits Using Bulk Accumulation a-IGZO TFTs by Yuanfeng Chen, Di Geng, Mativenga, Mallory, Hyoungsik Nam, Jin Jang

“…We propose a way to achieve high-speed circuits with dual-gate (DG) bulk-accumulation back-channeletched (BCE) amorphous indium-gallium-zinc-oxide (a-IGZO)…”
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Complexity-Reduced Super Resolution for Foveation-Based Driving Head Mounted Displays by Nam, Hyoungsik, Kang, Hangyeol

“…In this paper, we propose a foveation-based super resolution (SR) algorithm to create high resolution images from low resolution inputs for virtual reality…”
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A color compensation algorithm to avoid color distortion in active dimming liquid crystal displays by Nam, Hyoungsik

“…In LCD applications, various low power techniques, such as low voltage driving LEDs, high efficiency DC-DC converter circuitries, active backlight control…”
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Review of Integrated Gate Driver Circuits in Active Matrix Thin-Film Transistor Display Panels by Chang, Min-Kyu, Jeong, Seoyeong, Kim, Darren, Nam, Hyoungsik

“…Many advanced technologies have been employed in high-performance active matrix displays, including liquid crystal displays, organic light-emitting diode…”
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Low Power and Low Noise Shift Register for In-Cell Touch Display Applications by Seo, Jeongrim, Nam, Hyoungsik

“…This paper proposes a shift register circuit integrated in in-cell touch display panels that achieves low power operation, low coupling noise, and high…”
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Novel voltage programming n-channel TFT pixel circuit for low power and high performance AMOLED displays by Song, Eunji, Nam, Hyoungsik

“…•A novel 7T1C pixel circuit is proposed for high resolution, high frame rate, and low power AMOLED displays.•The whole line time is in use only for charging…”
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Low Power Programmable Shift Register With Depletion Mode Oxide TFTs for High Resolution and High Frame Rate AMFPDs by Song, Eunji, Nam, Hyoungsik

“…This paper demonstrates a programmable pulse width shift register using depletion mode oxide TFTs for high resolution and high frame rate displays. The…”
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Heatmap Assisted Accuracy Score Evaluation Method for Machine-Centric Explainable Deep Neural Networks by Lee, Junhee, Cho, Hyeonseong, Pyun, Yun Jang, Kang, Suk-Ju, Nam, Hyoungsik

“…There have existed many studies about the explainable artificial intelligence (XAI) that explains the logic behind the complex deep neural network called a…”
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Finger and stylus discrimination scheme based on capacitive touch screen panel and support vector machine classifier by Seol, Ki-Hyuk, Park, Seungjun, Song, Seok-Jeong, Nam, Hyoungsik

“…This paper demonstrates a support vector machine (SVM) based capacitive touch screen scheme that can discriminate stylus and finger at the same time. The tip…”
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Depletion Mode Oxide TFT Shift Register for Variable Frame Rate AMOLED Displays by Song, Eunji, Kang, Byeonguk, Han, Inhyo, Oh, Kilwhan, Kim, Bumsik, Nam, Hyoungsik

“…This letter demonstrates a shift register circuit at the backplane of depletion mode oxide thin-film transistors (TFTs), which can cover variable frame rates…”
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Highly Uniform Low Gray AMOLED Pixel Using Stable Circuit and Duty Ratio Modulation Driving by Park, Chanjin, Kim, Hee-Ok, Yang, Jong-Heon, Pi, Jae-Eun, Kim, Yong-Duck, Byun, Chun-Won, Kang, Kyeong-Soo, Park, Ji-Hwan, Kim, Minji, Nam, Hyoungsik, Lee, Soo-Yeon

“…In this paper, a new pixel circuit for active matrix organic light-emitting diode (AMOLED) display that can achieve high uniformity in low gray levels and its…”
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A Contact-Based Data Communication Technique Using Capacitive Touch Screen Panel and Support Vector Machine Classifier by Seol, Ki-Hyuk, Park, Seungjun, Nam, Hyoungsik

“…This paper demonstrates a data communication technology based on the capacitive touch screen scheme that can discriminate stylus and finger using a support…”
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Low-power liquid crystal display television panel with reduced motion blur by Nam, Hyoungsik, Lee, Seung-Woo

“…Recently, there have been lots of demands for green products. One of solutions is to reduce the power consumption. Whereas the most approaches in liquid…”
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In-Pixel Mobility Compensation Scheme for AMOLED Pixel Circuits by Song, Seok-Jeong, Nam, Hyoungsik

“…This paper demonstrates an in-pixel mobility compensation scheme for AMOLED pixel circuits, which requires only one capacitor and one TFT additionally. The…”
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Simultaneous Emission AC-OLED Pixel Circuit for Extended Lifetime of OLED Display by Seol, Ki-Hyuk, Kim, Young In, Park, Seungjun, Nam, Hyoungsik

“…This paper demonstrates a pixel circuit of seven thin film transistors (TFTs) and two capacitors that drives an AC driven OLED (AC-OLED) at a simultaneous…”
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CCFL backlight solution for low-cost liquid crystal televisions without image artifacts by Nam, Hyoungsik, Oh, Kwan-Young, Lee, Seung-Woo

“…Recently, a single-phase CCFL (cold cathode fluorescent lamp) driving method has been adopted to provide a low cost implementation. However, whereas dual-phase…”
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Weighted roll-off scheme to remove block artifacts for low power local dimming liquid crystal displays by Nam, Hyoungsik, Song, Eunji, Kim, Seul-Ki

“…A roll-off algorithm has been incorporated into adaptive dimming LCDs to enhance the details of high gray levels. However, because a roll-off algorithm…”
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Analytic solution to remove flickers on a liquid crystal display television by Nam, Hyoungsik, Oh, Kwan-young, Lee, Seung-woo

“…Flickers have been critical issues on liquid crystal displays (LCDs) which use a backlight unit (BLU) under a panel. The luminance modulation of the backlight…”
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Hybrid Voltage and Current Programming Pixel Circuit for High Brightness Simultaneous Emission AMOLED Display by Song, Seok-Jeong, Chen, Yuanfeng, Jang, Jin, Nam, Hyoungsik

“…This paper describes a new simultaneous emission AMOLED pixel circuit to achieve high brightness. Unlike the previous simultaneous emission scheme, the…”
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