[특허]Liquid crystal device with metal oxide masking films with breaks between films under metal lead electrodes

Liquid crystal device with metal oxide masking films with breaks between films under metal lead electrodes 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G02F-001/1335 G02F-001/1343
출원번호	US-0750246 (1991-08-27)
우선권정보	JP-0226588 (1990-08-30)
발명자 / 주소	Ishiwata Kazuya (Yokosuka JPX) Enomoto Takashi (Zama JPX) Yoshioka Toshifumi (Hiratsuka JPX)
출원인 / 주소	Canon Kabushiki Kaisha (Tokyo JPX 03)
인용정보	피인용 횟수 : 38 인용 특허 : 0

초록 ▼

A liquid crystal device is formed by disposing a liquid crystal between a plurality of elongated first display electrodes on a first substrate and a plurality of elongated second display electrodes on a second substrate so as to form a pixel at each intersection of the first and second display electrodes. The spacings between the pixels are masked by a metal oxide light-shielding mask disposed in lamination with the first display electrodes with an intermediate insulating film. The metal oxide light-shielding mask is separated into a plurality of discrete metal oxide masking films each allotted to a pixel at parts in alignment with at least one of first and second metal lead electrodes disposed along and in electrical contact with the first and second display electrodes. The structure is effective for preventing leakage light through a spacing between pixels without causing a short circuit between pixels, liquid crystal alignment disorder or peeling-off of the insulating film.

대표청구항 ▼

A liquid crystal device, comprising: a first substrate having thereon a metal oxide light-shielding mask, a plurality of elongated first display electrodes each having a first metal lead electrode disposed along and in electrical contact therewith, and an insulating layer disposed between the metal oxide light-shielding mask and the first display electrodes, a second substrate having thereon a plurality of elongated second display electrodes each having a second metal lead electrode disposed along and in electrical contact therewith, the elongated second display electrodes being disposed to intersect with the elongated first display electrodes, and a liquid crystal disposed between the first and second substrates so as to form a pixel at each intersection of the first display electrodes and the second display electrodes, wherein the metal oxide light shielding mask is separated into a plurality of discrete metal oxide masking films each allotted to a pixel so as to mask substantially all the spacings between the pixels, the place of the separation between the masking films being disposed in alignment with at least one of the first and second metal lead electrodes.

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Liquid crystal device with metal oxide masking films with breaks between films under metal lead electrodes 원문보기

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