Google Groups no longer supports new Usenet posts or subscriptions. Historical content remains viewable.

Dismiss

LCD选型需知

1 view

Skip to first unread message

��

unread,

Apr 13, 2010, 8:55:20 PM4/13/10

�� ʾ��ȷ��ʾ�С��ʽ��Ҳ��8�֣��ַ��Һ��ͼ��ʽ
Һ��ɫ��ǲ�ɫ��TFT��ʻ��STNα�ʣ�

�� Ĵ�Сȷ��LCD��γߴ�

�� ݹ��ȷ��LCD�Ƿ��⡢��봢��¶ȷ�Χ

��ʽҺ��ÿ��Ϊ8��ɣ��8�ֺ�һ�㣬ֻ��ʾ��ֺͲ��ĸ��
ʾ��ַ��ֺ��ţ�һ��Ҫ�ӳ��Ҷ��ַ��Һ��˼�壬�ַ�
��Һ��ʾ�ַ��ֵģ��ͼ�κͺ��ֵ��ʾ��ʽ��ʽҺ��졣�ַ��
Һ һ��¼��ֱַ��?8��1��16��1��16��2��16��4��20��2��20��4��40��2��40��
4�ȣ��8(16��20��40)��Ϊһ�п��ʾ��ַ�(��)��1(2��4)��ָ��ʾ
��

һ��СҺ��ÿ��(��ĸ��൱��ʾ��ϵ��оƬ)��ֱ��ṩ

MPU�ӿڣ��Һ��Ҫ��ʾ��Ҫ��ӿ��Һ��ʹ�ã��ο�
��ʾ��˵��顣��ˣ�ѡ��Ҫ��Һ��Ҫ��¼��棺

һ��ֻ��Ҫ��ʾ�ַ��֣��һ��ʾ��ݲ��ַ��Һ��
(��40��4)��Ϳ�ѡ��ַ��Һ��ֱ��MPU��Ӽ��ɡ�

��Ҫ��̬��ʾ��ֺ�ͼ�Σ��ô��ֻ��ѡ��ͼ�ε��ʽҺ��ÿ��
��Ҫѡ��STN(DSTN)��ɫ��α��ɫ��TFT��ɫ��һ��£��ʹ�õ�
Ƭ��ƣ��ƣ�ֻ��640��480��µ�ɫ��320��240��α��ɫ��
��Χ�ڽ��ѡ��ʹ��PC��IPC��Ƚ�ǿ��ģ��(��Ƶ��
ģ��)��ֻҪ�߱�Һ��ʾ��ֻ��ʾ��ƣ��Ϳ��нϴ��ѡ��أ��ÿ�
��ĵ�ɫ��α��ɫ��ɫҺ��ɡ� ͬʱӦ�ÿ��ǵ��γߴ��Ҫ��ע��
��LCD�ķֱ��ǹ̶��ģ��ʾһ��ֻ��еķֱ��ʾ��һ��
CRT��

��ѡ��˵��⣬��Ҫ��һ��ǶȽ�Һ��࣬��͸��ʽ��ʽ��
��͸ʽҺ��࣬��ΪҺ��Ϊ��ʾ��Ա��Դ��Һ��Ż��
��ʾ��͸��ʽҺ��ϱ��⣬��ʽҺ��Ҫ��ǿ�Ļ��ߣ��뷴��͸ʽҺ��
Ҫ�󻷾��߽�ǿ��ӱ��⡣

�ַ��Һ��һ��ΪLED��⣬�Ի��ɫ��졢��ɫ��Ϊ��һ��Ϊ+4.2V��
��

��ɫSTN��С��Һ��LED��EL��⣬EL��Ի��ɫ��졢�̡��ɫ��
��

һ��400-800Hz��70-100V�Ľ��ҪԼ1W�Ĺ��ʡ�

��д��STNҺ��TFT��Һ��Ϊ��ƹܣ�CCFL/CCFT��ɫΪ��
ɫ��졢�̡��ɫ��һ��25k-100kHz��300V��ϵĽ��

��ο�ֱ��佻��ѹ��ѹ��

�ġ��¶ȷ�Χ��ܶ��ַ��Һ��Լ�Сͼ�ε��Һ��г��ͺͿ��͵ģ��ͼ�ε�
��Һ��͵��ڴ�½�г��ϱȽ��ټ��һ��ָ��¶�0-50�棬��µ�-20-70
�棨��Ŀɵ��30�棬��LQ5AW136 TFT ��Ƶ�ӿڣ��ʪ�ȷ��Ҳ��һ��Ҫ
��

�塢��⣬��ȵ�λΪcd/m2��Nit(��)��󲿷�TN��STN(DSTN)Һ��Ȳ��
��100cd/m2��Ŀǰ�Ƚϳ��õ�5-6"��α��ɫSTN��ȶ��130cd/m2��ң��
һ��5.7"��LCD��ȴ�200cd/m2��TFT��Һ��150cd/m2��ϳ��

��棬��Һ��Ĺ�񡢽ӿ�û�й�ʱ�׼��Բ�ͬ��ҡ��ͬ��Һ��
��źŽӿ��һ�£��ѡ��Һ��ʱ��ע�⹺��ź��
��ȣ��

[m [1;36m�� Դ:��ɽ��ˮվ bbs.neu.edu.cn��[FROM: 202.118.13.195] [m

0 new messages

LCD选型需知

����

��