Title:
液晶表示素子
Document Type and Number:
Japanese Patent JP4625584
Kind Code:
B2
Abstract:
A liquid crystal display element includes array and counter substrates provided opposite to each other. The array substrate is covered with a color filter layer. Pixel electrodes are provided in a matrix form on the color filter layer. The surface of the counter substrate is provided with a common electrode. Alignment films are coated on the pixel and common electrodes. A gap defined between the array and counter substrates are filled with a liquid crystal material to form a liquid crystal layer. The alignment films are processed to have surface energy within the range from 51 to 60 dyn/cm. Such surface energy substantially prevents an image-sticking phenomenon of the liquid crystal display element caused by impurities dissolved into a liquid crystal layer and white or black turbid spots caused by hydrolysis of the alignment films by moisture in the liquid crystal layer.
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Inventors:
Fukuoka Nobuko
Takeshi Yamamoto
Takeshi Yamamoto
Application Number:
JP2001017124A
Publication Date:
February 02, 2011
Filing Date:
January 25, 2001
Export Citation:
Assignee:
Toshiba Mobile Display Co., Ltd.
International Classes:
G02F1/1335; G02F1/1337; G02F1/1333
Domestic Patent References:
| JP2000171784A | ||||
| JP9311338A | ||||
| JP8325573A | ||||
| JP10096931A |
Attorney, Agent or Firm:
Norio Ohu