Search Results - "Ha, Yong Min"

A novel LTPO AMOLED pixel circuit and driving scheme for variable refresh rate by Kim, Jung Chul, Lee, I. Sak, Kim, Hyung Tae, An, Jong Bin, Kim, Jae Sung, Yoo, Juhn Suk, Hwang, Han Wook, Choi, Hyun Chul, Ha, Yong Min, Kim, Hyun Jae

“…This paper proposes a novel pixel circuit and driving scheme that adopts low-temperature polycrystalline silicon and oxide thin-film transistors (LTPO TFTs)…”
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Enhancement of picture quality on ultra-low brightness by optimizing the electrical potential required for OLED charging in the AMOLED displays by Na, Se Hwan, Min, Won Kyung, Kim, Do Hyung, Hwang, Han Wook, Ha, Yong Min, Kim, Hyun Jae

“…The principal causes of the poor picture quality on active matrix organic light-emitting diode (AMOLED) displays, operating under extremely low brightness and…”
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A New Poly-Si TFT Current-Mirror Pixel for Active Matrix Organic Light Emitting Diode by LEE, Jae-Hoon, NAM, Woo-Jin, KIM, Byeong-Koo, CHOI, Hong-Seok, HA, Yong-Min, HAN, Min-Koo

“…A new poly-Si thin-film-transistor (TFT) current-mirror-active-matrix-organic-light-emitting-diode (AMOLED) pixel, which successfully compensates for the…”
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A comparative investigation on channel estimation algorithms for OFDM in mobile communications by Kang, Seog Geun, Ha, Yong Min, Joo, Eon Kyeong

“…A comparative investigation on various channel estimation algorithms for OFDM system in the mobile communication environment is presented and analyzed in terms…”
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Embedded Gate Driver Circuit With Self-Aligned InGaZnO TFTs Using Common Bootstrapped Capacitive Driving for High-Resolution WOLED Displays by Kim, Kyung Min, Noh, Seok, Jung, Sujin, Han, Inhyo, Yang, Joon-Young, Min Ha, Yong, Young Yoon, Soo, Kim, Hyun Jae

“…We propose an advanced gate driver circuit with self-aligned InGaZnO (IGZO) thin-film transistors (TFTs) using common bootstrapped capacitive driving for…”
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Image quality enhancement in variable-refresh-rate AMOLED displays using a variable initial voltage compensation scheme by Kim, Li Jin, Jung, Sujin, Kim, Hee Jun, Kim, Bong Hwan, Kwon, Kyung Joon, Ha, Yong Min, Kim, Hyun Jae

“…In active matrix organic light emitting diode (AMOLED) displays, when a variable refresh rate is applied and the frame rate changes, the image’s color and…”
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Recoverable Residual Image Induced by Hysteresis of Thin Film Transistors in Active Matrix Organic Light Emitting Diode Displays by Kim, Byeong-Koo, Kim, Ohyun, Chung, Hoon-Ju, Chang, Jae-Won, Ha, Yong-Min

“…A recoverable residual image is observed and analyzed in voltage driven active matrix organic light emitting diode (AMOLED) displays of which pixel circuits…”
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Suppressing Undesired Channel Length‐Dependent Electrical Characteristics of Fully Integrated InGaZnO Thin‐Film Transistors via Defect Control Layer by Kim, Kyung Min, Yang, Jeong Suk, Kim, Hyung Tae, Han, Inhyo, Jung, Sang‐Hoon, Yang, Joon‐Young, Ha, Yong Min, Yoon, Soo Young, Kim, Hyun Jae

“…Demand for increased scalability of oxide thin‐film transistors (TFTs) continues to rise, along with the need for ever‐higher integration densities and driving…”
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Transient flickering behavior in fringe-field switching liquid crystal mode analyzed by positional asymmetric flexoelectric dynamics by Lee, Dong-Jin, Shim, Gyu-Yeop, Choi, Jun-Chan, Park, Ji-Sub, Lee, Joun-Ho, Baek, Ji-Ho, Choi, Hyun Chul, Ha, Yong Min, Ranjkesh, Amid, Kim, Hak-Rin

“…We analyzed a transient blinking phenomenon in a fringe-field switching liquid crystal (LC) mode that occurred at the moment of frame change even in the…”
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25‐1: Invited Paper: OLED Microdisplays for AR/VR Applications: Technical Approaches Toward Realization of over 10,000 Nits Full‐Color Panels by Jo, Jang, Kim, Pureum, Kim, Ho-Jin, Lim, Hyeongjun, Joung, Seung-Ryong, Yoo, Choong-Keun, Choi, Dong-Wook, Yang, Joon-Young, Ha, Yong-Min, Yoon, Sooyoung

“…We report technical approaches for enhancing brightness of OLED microdisplays based on Si backplanes (OLEDoS) by changing in white OLED device architectures…”
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41‐2: Invited Paper: Active Matrix Micro‐LED Stretchable Display and Technical Challenges by Jung, Haeyoon, Park, Chan Il, Gee, Moon Bae, Kim, Myungsung, Park, Weonseo, Rhee, Byungjoon, Choi, Yoonho, Yang, Joon-Young, Kim, Chang-Dong, Jung, Sang Hoon, Ha, Yong-Min, Yoon, Sooyoung

“…In this paper, we report a 13‐inch active matrix (AM) micro‐LED stretchable display, which can be stretched by up to 20% with a 72 ppi resolution. It features…”
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Analysis of heat diffusion considering driving images on 6-inch flexible AMOLED display by Jeon, Chang Hoon, Park, Ji Woong, Kang, Byung Wook, Jang, Su Hyuk, Kwon, Kyung Joon, Hong, Soon Kwang, Ha, Yong Min, Jang, Jin

“…We report the heat diffusion on flexible active-matrix organic light-emitting diode (AMOLED) displays. Two-dimensional heat diffusion is used for the heat…”
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Temperature Sensor Made of Amorphous Indium-Gallium-Zinc Oxide TFTs by Jeong, Hoon, Kong, Chung Sik, Chang, Sung Wook, Park, Kwon Shik, Lee, Sang Gul, Ha, Yong Min, Jang, Jin

“…We report temperature sensors with amorphous indium-gallium-zinc oxide (a-IGZO) thin-film transistors (TFTs). The threshold voltage of a-IGZO TFTs shows linear…”
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Long Life-Time Amorphous-InGaZnO TFT-Based Shift Register Using a Reset Clock Signal by Jeong, Hoon, Choi, Byung Kook, Chung, Hoon-Ju, Lee, Sang Gul, Ha, Yong Min, Jang, Jin

“…We report a long life-time shift register (SR) made of amorphous-indium-gallium-zinc-oxide (a-IGZO) thin-film transistors (TFTs). The life-time of an SR is…”
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41.1: Invited Paper: LTPS Technology for Improving the Uniformity of AMOLEDs by Hong, Soon-Kwang, Kim, Byeong-Koo, Ha, Yong-Min

“…We have evaluated various compensation techniques to improve the brightness uniformity of AMOLEDs fabricated by excimer laser crystallization. Every method has…”
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A new current-mirror pixel circuit employing poly-Si TFTs for active-matrix organic light-emitting-diode displays by Lee, Jae-Hoon, Nam, Woo-Jin, Shin, Hee-Sun, Han, Min-Koo, Ha, Yong-Min, Choi, Hong-Seok, Lee, Chang-Hwan, Hong, Soon Kwang

“…— A novel active‐matrix organic light‐emitting‐diode (AMOLED) display employing a new current‐mirror pixel circuit, which requires four‐poly‐Si TFTs and…”
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48.3: Invited Paper: P-type Technology for Large Size Low Temperature Poly-Si TFT-LCDs by Ha, Yong-Min

“…The fabrication process of low temperature poly‐Si (LTPS) TFT can be simplified by p‐type technology. It is expected that the cost and the yield of LTPS will…”
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33.1: Invited Paper: P-type Low-Power Low-Temperature TFT-LCDs by Ha, Yong-Min, Hong, Soon-Kwang, Jeong, Hoon, Park, Jae-Deok, Kim, Byeong-Koo, Kim, Woo-Yeol

“…We have developed small‐sized low‐temperature p‐Si TFT‐LCDs. Gate and data driving circuits have been integrated by p‐type LTPS TFTs. The driving scheme is…”
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Development of a 14.1-in. UXGA TFT-LCD using LTPS technology by Kim, Byeong-Koo, Kim, Kee-Jong, Ahn, Kook-Chan, Choi, Hong-Seok, Ha, Yong-Min

“…— A 14.1‐in. UXGA low‐temperature poly‐Si TFT‐LCD has been developed using p‐MOS technology. Both the peripheral driving circuits and the pixel switches are…”
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69-1: Invited Paper: Oxide TFT Development for AMLCDs and AMOLEDs by Ha, Yong-Min, Kim, Sung Ki, Choi, Hoon, Lee, Sang-Gul, Park, Kwon-Shik, Kang, Inbyeong

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