Goodix-触摸屏SENSOR设计指南VIP专享VIP免费

Goodix触摸屏SENSOR设计指南创新技术丰富生活•一、基本介绍电容传感器等效模型TPAA尺寸定义•二、模组设计指南可适用的基本电容屏结构sensor设计流程GlasssensorDITO结构堆叠参数表FilmsensorDITO结构（I）堆叠参数表••适用于GlasssensorDITO结构、FilmsensorDITO结构（I）图案1双面条形图案设计说明2感应拆分双面条形图案设计说明FilmsensorDITO结构（II）堆叠参数表GlasssensorSITO结构堆叠参数表适用于GlasssensorSITO结构的图案十字段码形图案设计说明Sensor兼容按键的处理办法Sensor屏蔽层的使用规定•三、菱形图案sensor设计说明•四、Sensor走线设计说明GoodixConfidential创新技术丰富生活一、基本介绍1）电容传感器等效模型；Rd：驱动通道阻抗；Cd：驱动通道对地电容；Cx：感应驱动节点电容；Rs：感应通道阻抗；Cs：感应通道对地电容；GoodixConfidential创新技术丰富生活2）TPAA尺寸：与LCMAA区域相同TPAA(LCMAA):电容屏检测区域；coverlensVA:coverlens视窗区；TPVA：有ITO分布区域，金属线等不透明线条不能进入此区域；SensorOD:sensor外形尺寸。GoodixConfidential创新技术丰富生活二、模组设计指南GoodixConfidential可适用基本电容屏结构Guitar采用互电容的检测方式，互电容由驱动电极和感应电极构成，有两种基本结构：a)双面ITO结构：感应电极图案与驱动电极图案分别位于两层ITO上。b)单面ITO结构：感应电极图案与驱动电极图案位于同一层ITO上，需采用单面搭桥工艺。G+GDITOG+F+FDITOG+FDITOG+GSITOCoverlensCoverlensCoverlensCoverlensOCA/UVOCAtopITO(sensor)OCA/UVtopITO(sensor)topITO(sensor)OCAITO(sensor&driver)sensorglassPET1bottomITO(driver)sensorglassbottomITO(driver)OCAPET2ITOshielding*bottomITO(driver)PET2*是否增加shielding请依据后面的参数表确定创新技术丰富生活GlasssensorDITO结构堆叠参数表层叠结构屏尺寸≤4.5寸4.5＜屏尺寸≤7寸7≤屏尺寸≤12.1寸Coverlense材质PMMA/PETGlassPMMA/PETGlassPMMA/PETGlass4.5mm≤pitch≤5.5mm0.188~0.9*0.5~2.00.188~0.90.5~2.00.188~0.90.5~2.05.5mm＜pitch≤6.5mm0.188~0.90.7~2.00.188~0.90.7~2.00.188~0.90.7~2.06.5mm＜pitch≤7mm0.188~0.90.7~2.00.188~0.90.7~2.00.188~0.90.7~2.0贴合胶OCAOCA/UVOCAOCA/UVOCAOCA/UVTOPITO4.5mm≤pitch≤5.5mmR□<150ohmR□<150ohmR□<100ohm5.5mm＜pitch≤6.5mmR□<150ohmR□<150ohmR□<100ohm6.5mm＜pitch≤7mmR□<150ohmR□<150ohmR□<100ohmSensorglass0.4~0.6mm0.4~0.6mm0.4~0.6mmBottomITO4.5mm≤pitch≤5.5mmR□<150ohmR□<150ohmR□<75ohm5.5mm＜pitch≤6.5mmR□<150ohmR□<150ohmR□<75ohm6.5mm＜pitch≤7mmR□<150ohmR□<150ohmR□<75ohmGoodixConfidential*Coverlens厚度单位均为mm创新技术丰富生活FilmsensorDITO结构（I）堆叠参数表层叠结构屏尺寸≤4.5寸4.5＜屏尺寸≤7寸7＜屏尺寸≤12.1寸GlassCoverlense4.5mm＜pitch≤5.5mm0.5mm~2.0mm0.5mm~2.0mm0.5mm~2.0mm5.5mm＜pitch≤6.5mm0.7mm~2.0mm0.7mm~2.0mm0.7mm~2.0mm6.5mm＜pitch≤7mm0.7mm~2.0mm0.7mm~2.0mm0.7mm~2.0mmOCA1——————Film1TOPITO4.5mm≤pitch≤5.5mmR□<300ohmR□<270ohmR□<150ohm5.5mm＜pitch≤6.5mmR□<300ohmR□<270ohmR□<150ohm6.5mm＜pitch≤7mmR□<300ohmR□<270ohmR□<150ohmPET10.2~0.6mm0.2~0.6mm0.2~0.6mmOCA2Film2bottomITO4.5mm≤pitch≤5.5mmR□<300ohmR□<270ohmR□<150ohm5.5mm＜pitch≤6.5mmR□<300ohmR□<270ohmR□<150ohm6.5mm＜pitch≤7mmR□<300ohmR□<270ohmR□<150ohmPET2——————GoodixConfidential创新技术丰富生活适用于GlasssensorDITO结构、FilmsensorDITO结构（I）图案当4.5mm＜pitch≤5.5mm时推荐使用双面条形图案（glass/filmsensor均适用)，图案设计说明如下：GoodixConfidential创新技术丰富生活设计要点A感应通道宽1mmBPxTPAA(X)÷感应通道数C小悬浮块长0.6mm~1mmD小悬浮块宽0.6mm~1mmETop层图案Gap0.02mm~0.4mmF驱动通道宽Py-GapGBottom层图案Gap0.02mm~0.4mmHPyTPAA(Y)/驱动通道数GoodixConfide...