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320‐dpi 4‐inch Reflective Stacked Crossed Guest‐Host Display
Author(s) -
Hasegawa M.,
Takeda K.,
Sakaguchi Y.,
Egelhaaf J.,
Lueder E.,
Taira Y.,
Lowe A. C.
Publication year - 1999
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.1834185
Subject(s) - thin film transistor , monochrome , materials science , contrast ratio , flat panel display , liquid crystal display , diagonal , host (biology) , optoelectronics , optics , liquid crystal , reflectivity , high contrast , nanotechnology , layer (electronics) , physics , ecology , geometry , mathematics , biology
We describe a 320‐dpi, 4‐inch diagonal a‐Si:H TFT‐driven monochrome reflective display panel, in which two guest‐host nematic liquid crystal layers separated by a thin polymer film are orthogonally aligned to realize high reflectivity and high contrast ratio simultaneously. The TFT manufacturer used a four mask process with a high aperture ratio. The structure and characteristics of the panel are presented.