Presentation 1997/6/9
Bright Reflective Liquid Crystal Display with a Blazed Reflector
Ikuo Hiyama, Osamu Itoh, Katsumi Kondo, Akira Arimoto,
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Abstract(in English) Reflective LCDs have advantages of low power consumption, light weight and thinness. However, they have poor image quality including darkness, low contrast ratio, poor color reconstruction and narrow viewing angle. A reflective STN-LCD (super twisted nematic-liquid crystal display) using a blazed reflector and with the light scattering material between the display and the reflector is proposed. Key features include almost a doubling in brightness and contrast ratio due to reflection of the image toward the normal direction of the display and misalignment of the image and surface reflection. To obtain white representation, we optimize the scattering properties and compensate the retardation when the light impinge at an oblique angle.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) reflective LCD / directivity / light scattering material / reflector / brightness / contrast ratio
Paper # EID97-2
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Committee EID
Conference Date 1997/6/9(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Bright Reflective Liquid Crystal Display with a Blazed Reflector
Sub Title (in English)
Keyword(1) reflective LCD
Keyword(2) directivity
Keyword(3) light scattering material
Keyword(4) reflector
Keyword(5) brightness
Keyword(6) contrast ratio
1st Author's Name Ikuo Hiyama
1st Author's Affiliation Hitachi Research Laboratory, Hitachi, Ltd.()
2nd Author's Name Osamu Itoh
2nd Author's Affiliation Hitachi Research Laboratory, Hitachi, Ltd.
3rd Author's Name Katsumi Kondo
3rd Author's Affiliation Hitachi Research Laboratory, Hitachi, Ltd.
4th Author's Name Akira Arimoto
4th Author's Affiliation Central Research Laboratory, Hitachi, Ltd.
Date 1997/6/9
Paper # EID97-2
Volume (vol) vol.97
Number (no) 89
Page pp.pp.-
#Pages 5
Date of Issue