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Development of a 97.5-inch Super Hi-Vision 8K × 4K liquid crystal display panel
Yanping Liao,Xibin Shao,Jianfeng Yuan,Xiqing Zhang,Ji Zhang,Changlin Leng,Yinglong Huang,Seongkuy Lee 한국정보디스플레이학회 2015 Journal of information display Vol.16 No.3
A prototype 97.5-inch 8K×4K a-Si liquid crystal display (LCD) panel for Super Hi-Vision with ultra-high definition was successfully developed using the BOE exclusive advanced super-dimensional switching technology. This LCD has a panel with 7680(×3) by 4320 pixels, 16 times those of the conventional Full High Definition (FHD), and the pixel size of the panel is 0.2811mm (90.4 pixels per inch). The liquid crystal charging time was extended by quad area and double source line structure (also called “2G2D driving”). Additionally, a multi-functional image-processing video board was developed to compatibly realize the real-time display of huge image data from FHD to 8K. Furthermore, the reason for the arcing that occurred in half-tone source–drain mask etching was discussed and was ultimately solved by improving the exposure process. The demonstrated panel features a 1200:1 contrast ratio, 500 nit brightness, and 72% color gamut.
Development of a 120 Hz 110 ultra-high-definition a-Si liquid crystal display panel
Yanping Liao,Xibin Shao,Yufan Du,송용지,Weihao Hu,Zhenyu Zhang,Yuqiong Chen,Ying Wang,Qing Ma,윤대근,Dan Wang,Jianfeng Yuan,Hongjiang Wu,Zongjie Guo,Zhaohui Hao,Ji Zhang,Jing Lv 한국정보디스플레이학회 2014 Journal of information display Vol.15 No.2
A prototype 120 Hz 110-inch ultra-high-definition a-Si liquid crystal display (LCD) panel was successfully developed using the BOE exclusive advanced superdimensional switching technology. This LCD has a panel consisting of 3840 × 2160 pixels, four times the number of pixels in the conventional full-high-definition LCD. For the brightness and contrast ratio, 1000 nits and 1200:1 have been achieved, respectively. Additionally, the liquid crystal charging time has been extended through quad area driving and 2G2D line structures. Furthermore, the local dimming and mirror-scanning techniques are applied to realize excellent image display. Finally, the system utilizes 3D shutter glasses, allowing the viewer to achieve the highest sense of realness and immersion.