电容式触摸屏设计规范精典 - 百度文库

2026/4/23 10:46:06

ʽƹ淶

ļ򵥽˵֪ʶҪΪƺͽṹ֡Ʋְԭܡ·Ƶȷ棬ṹƲְνṹơԭòġӦ̹յȷ ʽ͡

1. V.Aװɿ򣬲ֲܳ͸·ɫԵȡ 2. A.Aɲ򣬱֤еܺ͵ܵ

3. ITOIndium Tin OxideͿFilmGlassϵĵϡ 4. ITO FILMе繦ܵ͸PETƬ 5. ITO GALSS粣

6. OCAOptically Clear Adhesiveѧ͸ 7. FPC:ӡˢ·塣

8. Cover Glasslensװõĸǰ岣

9. SensorװβдܵIJFlim Sensor OR Glass Sensor

ơ

һʽ

ʽCapacitive Touch PanelCapacitive Touch ScreenCTPԭͬɷΪԵʽCTPͻʽCTPӦ

ͬɷΪ㴥CTPͶ㴥CTP 1ʵԭ

ʽIJöITOĤγɾʽֲXYֲΪݾ󣬵ָĻʱͨXYɨ裬⵽λõĵݱ仯ָλáݾͼ1ʾ

ͼ1 ݷֲ

ݱ仯ԭʾʾ ʽͣ

0ս糣

1 2ͬ״̬µĽ糣 S1d1S2d2ֱΪγɵݵࡣ

ͼ2 Ǵ״̬µݷֲʾ

Ǵ״̬£C=Cm1=10S1/d1

״̬£C=Cm1*Cmg/(Cm1+Cmg)Cm1=10S1/d1Cmg=Cm1=20S2/d2

ݴICݷǴ״̬µĵֵ봥״̬µĵֵIJжǷдλλá

2Ե뻥

ԵʽCTPõ缫ĵݱ仯ɣһ˽ӵأһ˽Ӽ·ʵֵݵʶ𣨲ź߱ĵݣԵʽCTPμ缫Уݴǰݱ仯ֱȷ꣬ȻϳƽȷλáֻһʱϺҲΨһһ׼ȷλʱֱ꣬Ϻֻ꣬ʱʵ㣬

Ƶġ㡱ԵʽCTP޷ʵĶ㴥 ʽCTPʧ缫дɣһ˽Ӽһ˽Ӳ·ʵֵݵʶ𣨲ֱཻź֮ĵݣʽCTPҲǼ缫УͬɺηͼͬʱźţԵõк򽻻ĵֵݵֵı仯Լÿһ꣬ʹжҲܼÿʵꡣԻʽCTPʵʵ㴥ء

ԵݵŵǼ򵥡Сȱǵ㡢ٶݵŵʵ㡢ٶȿ죬ȱǸӡĴ󡢳ɱߡ

3ṹʹ

IC

ICǵ壬DzɼϢͷϢ壬ICõԭɼϢͨڲMPUϢзӶնϽдơ

ICⲿͨŽеģICڶ࣬ԵҲͬǻԭҲǴͬС죬˸ICоƬҲȽƣֻиǸԹƣ¶ԵICһ򵥵˵

źߣDriverTXǵĵźš


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