CN105702202B - 显示面板及其控制方法、显示装置、显示系统 - Google Patents
显示面板及其控制方法、显示装置、显示系统 Download PDFInfo
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Abstract
本发明涉及一种显示面板及其控制方法、显示装置和显示系统,上述显示面板包括:多个像素单元,每个像素单元包括多个子像素,每个子像素包括:显示子像素和干扰子像素,干扰子像素与显示子像素的颜色和/或灰阶不同;第一控制单元,在一个显示周期的第一时间段内控制显示子像素开启,在一个显示周期的第二时间段内控制干扰子像素开启。根据本发明实施例的技术方案,会使得观看者在第二时间段观看到与第一时间段不同的图像,而人眼对于变化的画面存在视觉残留,会使得干扰图像和正常图像相叠加,从而无法看清正常输出的画面。进而用户可以通过特定的观看设备,只接收第一时间段的画面,从而有效避免显示面板输出的正常画面被他人识别出来。
Description
技术领域
本发明涉及显示技术领域,具体而言,涉及一种显示面板、一种显示装置、一种显示系统和一种显示面板控制方法。
背景技术
目前,信息的防偷窥显示越来越受到用户的重视。传统的用于实现信息的防偷窥显示的方法主要通过减小显示面板的视角来实现信息的保密显示,仅使位于显示面板正前方的人能看到显示面板中的内容,而位于显示面板周围的人则不能看到显示面板中的内容。但是这种保密方式存在一定的缺陷,如果偷窥者和观察者都位于显示面板的正前方,那么偷窥者也是能看到显示器的内容的,因此,这种防偷窥方式的保密效果并不理想。
发明内容
本发明所要解决的技术问题是,提高显示面板的防偷窥效果。
为此目的,本发明提出了一种显示面板,包括:
多个像素单元,每个像素单元包括多个子像素,每个子像素包括:
显示子像素和干扰子像素,所述干扰子像素与所述显示子像素的颜色和/或灰阶不同;
第一控制单元,在一个显示周期的第一时间段内控制所述显示子像素开启,在一个显示周期的第二时间段内控制所述干扰子像素开启。
优选地,在所述显示子像素与所述干扰子像素灰阶相同时,所述显示子像素的颜色与所述干扰子像素的颜色互为补色。
优选地,所述显示子像素为红色子像素,所述干扰子像素为青色子像素;或
所述显示子像素为绿色子像素,所述干扰子像素为品红子像素;或
所述显示子像素为蓝色子像素,所述干扰子像素为黄色子像素。
优选地,所述显示子像素和/或所述干扰子像素分别包括:
第一电极层,材料为反光金属;
发光层,设置在所述第一电极层的一侧;
第二电极层,设置在所述发光层远离所述第一电极层的一侧。
优选地,所述发光层用于发红光、绿光、蓝光、青光、品红光和/或黄光,或者用于发白光,
其中,用于发白光的发光层对应的显示子像素和/或干扰子像素分别包括:色阻层。
优选地,在所述干扰子像素与所述显示子像素的颜色相同时,所述干扰子像素与所述显示子像素的灰阶差大于或等于50。
本发明还提出了一种显示装置,包括上述显示面板。
本发明还提出了一种显示系统,包括可穿戴设备和上述显示装置,
其中,所述可穿戴设备包括镜片和第二控制单元,所述第二控制单元用于控制所述镜片在所述第一时间段内透光,在所述第二时间段内不透光。
优选地,所述第二控制单元还用于控制所述镜片在一个显示周期的全部时间段内透光。
本发明还提出了一种显示面板控制方法,用于显示面板,所述显示面板包括多个像素单元,每个像素单元包括多个子像素,每个子像素包括:显示子像素和干扰子像素,所述干扰子像素与所述显示子像素的颜色和/或灰阶不同,所述方法包括:
在一个显示周期的第一时间段内控制所述显示子像素开启;
在一个显示周期的第二时间段内控制所述干扰子像素开启。
通过上述技术方案,在显示面板输出图像时,会按照开启显示子像素输出正常图像,开启干扰子像素输出干扰图像的顺序循环输出图像,由于干扰子像素与显示子像素的颜色和/或灰阶不同,会使得观看者在第二时间段观看到与第一时间段不同的图像,而人眼对于变化的画面存在视觉残留,因此会使得干扰图像和正常图像相叠加,从而无法看清正常输出的画面。进而用户可以通过特定的观看设备,只接收第一时间段的画面,从而有效避免显示面板输出的正常画面被他人识别出来。
附图说明
通过参考附图会更加清楚的理解本发明的特征和优点,附图是示意性的而不应理解为对本发明进行任何限制,在附图中:
图1示出了根据本发明一个实施例的显示面板的结构示意图;
图2示出了根据本发明一个实施例的显示子像素和干扰子像素开启时间示意图;
图3示出了根据本发明又一个实施例的显示面板的结构示意图;
图4示出了根据本发明一个实施例的显示子像素和/或干扰子像素的结构示意图;
图5示出了根据本发明又一个实施例的显示面板的结构示意图。
具体实施方式
为了能够更清楚地理解本发明的上述目的、特征和优点,下面结合附图和具体实施方式对本发明进行进一步的详细描述。需要说明的是,在不冲突的情况下,本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本发明,但是,本发明还可以采用其他不同于在此描述的其他方式来实施,因此,本发明的保护范围并不受下面公开的具体实施例的限制。
如图1所示,根据本发明一个实施例的显示面板,包括:
多个像素单元,每个像素单元包括多个子像素,每个子像素10包括:
显示子像素11和干扰子像素12,干扰子像素12与显示子像素11的颜色和/或灰阶不同;
第一控制单元,在一个显示周期的第一时间段内控制显示子像素11开启,在一个显示周期的第二时间段内控制干扰子像素12开启。
根据本实施例,在显示面板输出图像时,会按照开启显示子像素输出正常图像,开启干扰子像素输出干扰图像的顺序循环输出图像。例如图2所示,在第n帧的第一时间段t1开启显示子像素输出正常图像,在第n帧的第二时间段t2开启干扰子像素输出干扰图像,在第n+1帧的第一时间段t1开启显示子像素输出正常图像,在第n+1帧的第二时间段t2开启干扰子像素输出干扰图像,以此类推,其中,n为大于或等于1的整数。
由于干扰子像素与显示子像素的颜色和/或灰阶不同,会使得观看者在第二时间段观看到与第一时间段不同的图像,而人眼对于变化的画面存在视觉残留,会使得干扰图像和正常图像相叠加,从而无法看清正常输出的画面。进而用户可以通过特定的观看设备,只接收第一时间段的画面,从而有效避免显示面板输出的正常画面被他人识别出来。
需要说明的是,在每一个显示周期中第一时间段可以位于第二时间段之前,并且在第一时间段干扰子像素关闭,在第二时间段显示子像素关闭,当然也可以设置第二时间段位于第一时间段之前。上述实施例中的一个显示周期可以是指扫描一次显示面板中显示子像素的时长与扫描一次显示面板中干扰子像素的时长之和。
优选地,第一时间段大于或等于第二时间段。
根据本实施例,可以保证每个周期(帧)内正常图像的显示时长大于或等于干扰图像的显示时长,以便佩戴特定观看设备的用户能够良好地观看正常图像,不会有强烈的间断感觉。
优选地,第一时间段与第二时间段的比值为k,k大于或等于1且小于或等于5。
根据本实施例,可以保证每个周期(帧)内正常图像的显示时长大于或等于干扰图像的显示时长,以便佩戴特定观看设备的用户能够良好地观看正常图像,不会有强烈的间断感觉。还可以保证干扰图像能够对正常图像产生足够强的干扰效果,保证未佩戴特定观看设备的偷窥者无法看清正常图像。
优选地,在显示子像素与干扰子像素灰阶相同时,显示子像素的颜色与干扰子像素的颜色互为补色。
如图3所示,优选地,显示子像素为红色子像素,干扰子像素为青色子像素;或
显示子像素为绿色子像素,干扰子像素为品红子像素;或
显示子像素为蓝色子像素,干扰子像素为黄色子像素。
由于互为补色的两个颜色叠加为白色。根据本实施例,可以使得未佩戴特定观看设备的偷窥者观看到显示子像素和干扰子像素时,由于视觉残留,只会看到白色的画面,有效地防止正常画面被他人识别出来。
优选地,第一控制单元还用于控制显示子像素在一个显示周期的全部时间段内开启,以及控制干扰子像素在一个显示周期的全部时间段内关闭。
根据本实施例,显示面板在正常显示模式下,可以控制显示子像素在一个显示周期的全部时间段内开启,以保证正常画面具有足够的显示时长,保证用户的观看效果。
如图4所示,优选地,显示子像素和/或干扰子像素分别包括:
第一电极层21,材料为反光金属;
发光层22,设置在第一电极层的一侧;
第二电极层23,设置在发光层远离所述第一电极层的一侧。
本实施例中的显示面板可以是有机发光二极管显示面板。
优选地,发光层用于发红光、绿光、蓝光、青光、品红光和/或黄光,或者用于发白光,
本实施例中的子像素包含两种结构,在发光层发出红光、绿光、蓝光、青光、品红光和/或黄光等彩色光时,发光层和第一电极层、第二电极层可以直接构成子像素。
在发光层发白光时,子像素还可以包括色阻层,以使白光通过色阻层后能够变为与色阻层对应的红光、绿光、蓝光、青光、品红光和/或黄光等彩色光。
其中,如图5所示,用于发白光的发光层对应的显示子像素和/或干扰子像素包括:色阻层24。例如色阻层24可以设置在发光层的出光侧。
优选地,在干扰子像素与显示子像素的颜色相同时,干扰子像素与显示子像素的灰阶差大于或等于50。
根据本实施例,可以仅将显示子像素和干扰子像素的灰阶设置为不同,因此可以通过电路控制两者发光亮度,而发光层材料则可以相同,易于简化结构。
本发明还提出了一种显示装置,包括上述显示面板。
需要说明的是,本实施例中的显示装置可以为:电子纸、手机、平板电脑、电视机、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。
本发明还提出了一种显示系统,包括可穿戴设备和上述显示装置,
其中,可穿戴设备包括镜片和第二控制单元,第二控制单元用于控制镜片在第一时间段内透光,在第二时间段内不透光。
根据本实施例,用户可以通过佩戴可穿戴设备观看上述显示装置,从而仅在第一时间段观看到由显示子像素输出的正常图像,而未佩戴该可穿戴设备的用户则会看到正常图像和干扰图像的叠加图像,从而无法分辨出正常图像中的内容,进而达到防止偷窥的效果。
优选地,第二控制单元还用于控制镜片在一个显示周期的全部时间段内透光。
本发明还提出了一种显示面板控制方法,用于显示面板,显示面板包括多个像素单元,每个像素单元包括多个子像素,每个子像素包括:显示子像素和干扰子像素,干扰子像素与显示子像素的颜色和/或灰阶不同,方法包括:
在一个显示周期的第一时间段内控制显示子像素开启;
在一个显示周期的第二时间段内控制干扰子像素开启。
优选地,上述方法还包括:
控制显示子像素在一个显示周期的全部时间段内开启;
控制干扰子像素在一个显示周期的全部时间段内关闭。
以上结合附图详细说明了本发明的技术方案,考虑到现有技术中防止偷窥的技术难以完全避免偷窥者观看到显示面板输出的图像。通过本发明实施例的技术方案,在显示面板输出图像时,会按照开启显示子像素输出正常图像,开启干扰子像素输出干扰图像的顺序循环输出图像,由于干扰子像素与显示子像素的颜色和/或灰阶不同,会使得观看者在第二时间段观看到与第一时间段不同的图像,而人眼对于变化的画面存在视觉残留,因此会使得干扰图像和正常图像相叠加,从而无法看清正常输出的画面。进而用户可以通过特定的观看设备,只接收第一时间段的画面,从而有效避免显示面板输出的正常画面被他人识别出来。
需要指出的是,在附图中,为了图示的清晰可能夸大了层和区域的尺寸。而且可以理解,当元件或层被称为在另一元件或层“上”时,它可以直接在其他元件上,或者可以存在中间的层。另外,可以理解,当元件或层被称为在另一元件或层“下”时,它可以直接在其他元件下,或者可以存在一个以上的中间的层或元件。另外,还可以理解,当层或元件被称为在两层或两个元件“之间”时,它可以为两层或两个元件之间惟一的层,或还可以存在一个以上的中间层或元件。通篇相似的参考标记指示相似的元件。
在本发明中,术语“第一”和“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性。术语“多个”指两个或两个以上,除非另有明确的限定。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (8)
1.一种显示面板,其特征在于,包括:
多个像素单元,每个像素单元包括多个子像素,每个子像素包括:
显示子像素和干扰子像素,所述干扰子像素与所述显示子像素的颜色和/或灰阶不同;
第一控制单元,在一个显示周期的第一时间段内控制所述显示子像素开启,在一个显示周期的第二时间段内控制所述干扰子像素开启,
在所述显示子像素与所述干扰子像素灰阶相同时,所述显示子像素的颜色与所述干扰子像素的颜色互为补色,
在所述干扰子像素与所述显示子像素的颜色相同时,所述干扰子像素与所述显示子像素的灰阶差大于或等于50。
2.根据权利要求1所述的显示面板,其特征在于,所述显示子像素为红色子像素,所述干扰子像素为青色子像素;或
所述显示子像素为绿色子像素,所述干扰子像素为品红子像素;或
所述显示子像素为蓝色子像素,所述干扰子像素为黄色子像素。
3.根据权利要求1或2所述的显示面板,其特征在于,所述显示子像素和/或所述干扰子像素分别包括:
第一电极层,材料为反光金属;
发光层,设置在所述第一电极层的一侧;
第二电极层,设置在所述发光层远离所述第一电极层的一侧。
4.根据权利要求3所述的显示面板,其特征在于,所述发光层用于发红光、绿光、蓝光、青光、品红光和/或黄光,或者用于发白光,
其中,用于发白光的发光层对应的显示子像素和/或干扰子像素包括:色阻层。
5.一种显示装置,其特征在于,包括如权利要求1-4任一项所述的显示面板。
6.一种显示系统,其特征在于,包括可穿戴设备和如权利要求5所述的显示装置,
其中,所述可穿戴设备包括镜片和第二控制单元,所述第二控制单元用于控制所述镜片在所述第一时间段内透光,在所述第二时间段内不透光。
7.根据权利要求6所述的显示系统,其特征在于,所述第二控制单元还用于控制所述镜片在一个显示周期的全部时间段内透光。
8.一种显示面板控制方法,用于显示面板,其特征在于,所述显示面板包括多个像素单元,每个像素单元包括多个子像素,每个子像素包括:显示子像素和干扰子像素,所述干扰子像素与所述显示子像素的颜色和/或灰阶不同,所述方法包括:
在一个显示周期的第一时间段内控制所述显示子像素开启;
在一个显示周期的第二时间段内控制所述干扰子像素开启,
在所述显示子像素与所述干扰子像素灰阶相同时,所述显示子像素的颜色与所述干扰子像素的颜色互为补色,
在所述干扰子像素与所述显示子像素的颜色相同时,所述干扰子像素与所述显示子像素的灰阶差大于或等于50。
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