电容式触控显示模组的抗反射结构及其性能研究

林钢; 吕岳敏; 吴永俊

doi:10.3788/YJYXS20153004.0621

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电容式触控显示模组的抗反射结构及其性能研究

器件物理及器件制备技术 | 更新时间：2020-08-12

- 电容式触控显示模组的抗反射结构及其性能研究
- Anti-reflecting structure and its performance of capacitive touch-display modules
- 液晶与显示 2015年30卷第4期页码：621-627
- 作者机构：
  
  汕头超声显示器有限公司,广东汕头,515041
- 作者简介：
  
  [ "林钢(1977-),男,广东汕头人,硕士,工程师,从事显示器件及触控器件的研究工作。E-mail:ganglin@goworld-lcd.com" ]
  [ "吕岳敏(1980-),男,广东潮阳人,硕士,工程师,从事显示器件及触控器件的研究工作" ]
  [ "吴永俊(1967-),男,广东揭阳人,硕士,高级工程师,从事显示器件及触控器件的研究工作。" ]
- 基金信息：
  
  电容触摸式显示屏研究及产业化(No.2011912008)()
- DOI：10.3788/YJYXS20153004.0621
  中图分类号： TN141;TN602
- 收稿日期：2014-12-15，
  
  修回日期：2015-01-15，
  
  纸质出版日期：2015-08-05
- 稿件说明：
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林钢, 吕岳敏, 吴永俊. 电容式触控显示模组的抗反射结构及其性能研究[J]. 液晶与显示, 2015,30(4): 621-627

LIN Gang, LV Yue-min, WU Yong-jun. Anti-reflecting structure and its performance of capacitive touch-display modules[J]. , 2015,30(4): 621-627
林钢, 吕岳敏, 吴永俊. 电容式触控显示模组的抗反射结构及其性能研究[J]. 液晶与显示, 2015,30(4): 621-627 DOI： 10.3788/YJYXS20153004.0621.

LIN Gang, LV Yue-min, WU Yong-jun. Anti-reflecting structure and its performance of capacitive touch-display modules[J]. , 2015,30(4): 621-627 DOI： 10.3788/YJYXS20153004.0621.

摘要

对电容式触控显示模组的抗反射结构及其性能进行研究

分析对比了当前几种用于触控显示模组的抗反射技术。结果表明:全贴合技术可将内部反射率降低到3.8%左右

super AMOLED和CBD技术可将内部反射率降低到2%以下

其都能有效地提高产品在强光环境下的可读性。此外

还提出了分别针对LCD和OLED触控显示模组的两种抗反射改进结构:前者仅需将上偏光片改为贴附在触摸屏的内表面

即可将LCD模组的内部反射率降低到4.5%

因而不仅具有低成本的优点

且在强光环境下也具有良好的可读性;后者通过圆偏光片与OGS电容触摸屏的组合

使得整个OLED模组具有更低的厚度

且内部反射率可降低到1.8%左右

由于不需采用OCA贴合

其成本也低于当前的super AMOLED模组。

Abstract

The anti-reflecting structure and its performance of capacitive touch-display modules was studied.An analysis and comparison of several current anti-reflecting technologies of the touch-display modules were made.The results indicated that: for current modules

the inner reflectivity can reduce about 3.8% by the non air-gap technology and to lower than 2% by the super AMOLED and CBD technologies

so the readability under bright circumstance of the corresponding products can be improved effectively.In addition

two improved anti-reflecting structures respectively for LCD and OLED module were also provided. For the LCD module

the front polarizer was just laminated to the rear surface of the touch panel instead of the LCD surface

and the inner reflectivity was reduced to about 4.5%

so its readability under bright circumstance would be improved effectively and its low price would also be kept.For the OLED module

instead of attaching to the OLED itself

the circular polarizer was assembled to an OGS touch panel which would reduce the thickness of the module

and the inner reflectivity of the module was also reduced to about 1.8%.Because there was no need of OCA lamination

the price of this kind of modules would be lower than current super AMOLED modules.

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references

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