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Session
39
: Innovative Display Electronics |
Display Electronics
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Wednesday, May 15 / 10:40 AM - 12:00 PM / San Jose Convention Center, LL20BC
Chair:
Wei Yao, Apple Inc, Cupertino, CA US
Co-Chair:
Moon-Sang Hwang, Samsung Display Co., Ltd., Seoul, South Korea
39.1 - Invited Paper: An Improved Gate Driver Using Oxide TFTs for Large OLED Displays (10:40 AM - 11:00 AM)
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Hong-Jae Shin, Min-Kyu Chang, Yong-Ho Kim, Soo-Hong Choi, Sung-Joon Bae, Woo-Sup Shin, Hyeon-Woo Lee
LG Display Paju South Korea
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An OLED display gate driver integrated in the panel has been designed for flexibility, yield improvement, panel bezel reduction, large size, and high-resolution and high-speed multiresolution driving. This gate driver technology is described, including circuit structure, lifetime improvement, and image quality enhancement. The gate drivers have been incorporated into ultra-large 88-in. 8K and 97-in. 4K OLED displays.
39.2 - Distinguished Paper: A Mobile OLED Display Driver IC with High-Gain Fast-Slew Circuit and On-the-Fly Self-Repair for Displays 4K Resolution and Above (11:00 AM - 11:20 AM)
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Yun-Rae Jo, Chanbong Yu, Jungmoon Kim, Jeeyeon Eom, Jeonghoon Choi, Yunseok Jang, Woo-Nyoung Lee, Jihyun Lee, Hyun-Wook Lim, Siwoo Kim, Jae-Youl Lee
Samsung Electronics Hwasung South Korea
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An OLED display driver IC with a high-gain fast-slew (HGFS) circuit to reduce source driver settling time and on-the-fly self-repair (OFSR) circuits to repair line defects with a spare dummy channel for WQHD and 120Hz displays is presented. The IC was fabricated in a 28nm high-voltage process with 8V/20V transistors and 2,880-channel source drivers.
39.3 - Invited Paper: Kirameki Display: Technical Approaches to Represent Real Texture with Light Fields (11:20 AM - 11:40 AM)
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Naoki Sumi, Keiko Edo, Minoru Shibazaki, Shuji Hagino
Innolux Japan Co., Ltd. Kobe Japan
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This paper describes a “kirameki display” that can represent the real texture of materials (“kirameki” means shining/glittering in Japanese.) The authors discuss the improvement of “texture representation” by optimization of both optical design and software algorithm. They also discuss future technical fields for texture representation on displays.
39.4 - An Innovative Decoder-Type GOA for Intelligent Split-Screen and External Compensation Technology (11:40 AM - 12:00 PM)
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Zhidong Yuan, Ying Han, Song Meng, Xiuting Liu, Yongqian Li, Pan Xu, Can Yuan, Xuelian Cheng, Guang Yan, Jianwei Yu
Hefei BOE Joint Technology Co., Ltd. Anhui China
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Xin Gu, Xue Dong
BOE Technology Group Co., Ltd. Beijing China
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In this paper, an innovative decoder-type gate driver on array (GOA) model employing IGZO TFTs is proposed, which is suitable for intelligent split-screen (ISS) and external compensation technology. At the same time, the authors explored a new multi-frequency driving method through this model, and through the verification of panel actual measurement, this new multi-frequency driving almost eliminates the mura caused by different frequencies in split-screen. Finally, the authors successfully used this model to light up a 5-in. AMOLED display with 170ppi bottom emission, and achieved a border of only 5 mm.