WO2021077331A1 - 显示基板、显示装置及使用显示装置进行检测的方法 - Google Patents
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Abstract
Description
Claims (19)
- 一种显示基板,包括:阵列基板和设置于所述阵列基板上的至少一个子像素,所述至少一个子像素包括第一区域和第二区域,所述至少一个子像素包括设置在所述第一区域的发光元件、以及设置在所述第二区域的像素电路结构和光敏感应结构;其中,所述像素电路结构和所述光敏感应结构层叠设置,所述光敏感应结构比所述像素电路结构更靠近所述显示基板的出光侧;所述光敏感应结构包括光敏感应元件和开关晶体管,所述光敏感应元件和所述开关晶体管层叠设置且彼此电连接,所述光敏感应元件比所述开关晶体管更靠近所述显示基板的出光侧;所述光敏感应元件包括第一电极和第二电极,所述第一电极为透明电极,所述第二电极为不透明电极,所述第一电极比所述第二电极更靠近所述显示基板的出光侧;所述开关晶体管的至少沟道区在所述衬底基板上的正投影位于所述第二电极在所述衬底基板上的正投影内。
- 根据权利要求1所述的显示基板,其中,所述第一电极为公共电极。
- 根据权利要求1或2所述的显示基板,其中,所述像素电路结构中的至少一个晶体管的至少沟道区在所述衬底基板上的正投影位于所述开关晶体管的源漏极所在的源漏金属层在所述衬底基板上的正投影内。
- 根据权利要求1-3任一项所述的显示基板,其中,所述像素电路结构中的至少一个晶体管的至少沟道区在所述衬底基板上的正投影位于所述第二电极在所述衬底基板上的正投影内。
- 根据权利要求1-4任一项所述的显示基板,其中,所述至少一个子像素中的所述光敏感应元件包括红外光敏感应元件和可见光光敏感应元件至少之一。
- 根据权利要求5所述的显示基板,其中,所述光敏感应元件包括所述可见光光敏感应元件,所述显示基板还包括:滤光层,设置在所述可见光光敏感应元件的设置有所述第一电极的一侧,且所述滤光层比所述第 一电极更靠近所述显示基板的出光侧;其中,所述滤光层包括红色滤光层、绿色滤光层和蓝色滤光层至少之一。
- 根据权利要求1-6任一项所述的显示基板,其中,所述发光元件包括第三电极和第四电极,所述第三电极比所述第四电极更靠近所述显示基板的出光侧。
- 根据权利要求1-7任一项所述的显示基板,其中,所述发光元件的发光颜色为红色、绿色、蓝色和红外至少之一。
- 根据权利要求1-8任一项所述的显示基板,其中,所述显示基板为底发射型显示基板,所述光敏感应结构位于所述像素电路结构的靠近所述衬底基板的一侧。
- 一种显示装置,包括:根据权利要求1-9任一项所述的显示基板,以及与所述显示基板对盒的封装基板。
- 根据权利要求10所述的显示装置,还包括:控制单元、检测单元和处理单元;其中,所述控制单元配置为控制所述开关晶体管的导通和截止;所述检测单元配置为在所述开关晶体管导通时,检测所述光敏感应元件产生的电信号;所述处理单元配置为对所述检测单元检测到的电信号进行处理,以进行触控检测操作、指纹识别操作和模糊成像操作至少之一。
- 根据权利要求10或11所述的显示装置,还包括:具有预定图案的红外色阻结构,设置在所述显示基板的出光侧;以及红外光源,设置在所述红外色阻结构的远离所述显示基板的一侧,且设置在所述红外色阻结构的周边。
- 一种使用显示装置进行检测的方法,其中,所述显示装置包括显示基板,所述显示基板包括:至少一个子像素,所述至少一个子像素包括第一区域和第二区域,所述至少一个子像素包括设置在所述第一区域的发光元件、以及设置在所述第二区域的像素电路结构和光敏感应结构,其中,所述像素电路结构和所述光敏感应结构层叠设置,所述光敏感应结构比所述像素电路结构更靠近所述显示基板的出光侧;所述方法包括:根据所述显示基板中的所述光敏感应结构感测到的光强变化,进行触 控检测操作、纹理识别操作和模糊成像操作至少之一。
- 根据权利要求13所述的方法,其中,所述光敏感应结构包括红外光敏感应元件,根据所述光敏感应结构感测到的光强变化,进行所述触控检测操作,包括:根据所述显示基板被物体触摸前后,所述红外光敏感应元件感测的环境光中红外光的光强变化,进行触控检测。
- 根据权利要求13所述的方法,其中,所述光敏感应结构包括红外光敏感应元件,所述显示基板中的所述发光元件包括红外发光元件,根据所述光敏感应结构感测到的光强变化,进行所述触控检测操作或所述纹理识别操作,包括:控制所述红外发光元件发出红外光;根据所述显示基板被物体触摸前后,所述红外光敏感应元件感测的所述红外发光元件发出的红外光的反射光的光强变化,进行触控检测或纹理识别。
- 根据权利要求13所述的方法,其中,所述光敏感应结构包括红外光敏感应元件,所述显示基板中的所述发光元件包括红外发光元件,根据所述光敏感应结构感测到的光强变化,进行所述模糊成像操作,包括:控制所述红外发光元件发出不同图案的红外光;根据所述红外光敏感应元件感测的所述不同图案的红外光被外界景物反射的反射红外光的光强,基于计算光学方法,对所述外界景物进行模糊成像。
- 根据权利要求13所述的方法,其中,所述光敏感应结构包括红外光敏感应元件,所述显示装置还包括:具有预定图案的红外色阻结构,设置在所述显示基板的出光侧;以及红外光源,设置在所述红外色阻结构的远离所述显示基板的一侧,且设置在所述红外色阻结构的周边;根据所述光敏感应结构感测到的光强变化,进行所述模糊成像操作,包括:控制所述红外光源发出红外光;根据所述红外光敏感应元件感测的所述红外光源发出的红外光被外界景物反射后穿过所述红外色阻结构的反射红外光的光强,基于计算光学方法,对所述外界景物进行模糊成像。
- 根据权利要求16或17所述的方法,其中,根据所述光敏感应结构感测到的光强变化,进行所述模糊成像操作,还包括:连续对所述外界景物进行模糊成像;以及根据连续的模糊成像结果的差异,进行悬浮触控检测或悬浮动作识别。
- 根据权利要求13所述的方法,其中,所述光敏感应结构包括可见光光敏感应元件,根据所述光敏感应结构感测到的光强变化,进行所述触控检测操作或所述纹理识别操作,包括:在相邻的显示周期之间插入检测周期,在检测周期中,控制显示面板的多个子像素显示预定画面,根据所述显示基板被物体触摸前后,所述可见光光敏感应元件感测的所述预定画面的反射光的光强变化,进行触控检测或纹理识别。
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US16/976,255 US11681395B2 (en) | 2019-10-23 | 2019-10-23 | Display substrate, display device and detection method by using display device |
CN201980002087.7A CN115461870A (zh) | 2019-10-23 | 2019-10-23 | 显示基板、显示装置及使用显示装置进行检测的方法 |
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CN109346498B (zh) * | 2018-09-18 | 2020-06-16 | 京东方科技集团股份有限公司 | 一种阵列基板及显示面板 |
CN110286796B (zh) | 2019-06-27 | 2023-10-27 | 京东方科技集团股份有限公司 | 电子基板及其制作方法、显示面板 |
KR20210054122A (ko) * | 2019-11-04 | 2021-05-13 | 삼성디스플레이 주식회사 | 표시 장치 및 이를 포함하는 타일드 표시 장치 |
TWI750700B (zh) * | 2020-06-18 | 2021-12-21 | 友達光電股份有限公司 | 觸控顯示裝置 |
KR20220129146A (ko) * | 2021-03-15 | 2022-09-23 | 삼성디스플레이 주식회사 | 디스플레이 장치 |
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